techiaith/legislation-gov-uk_en-cy huggingface dataset:
make educational and vocational information and guidance available and accessible to all children;
1 Mae Partïon Gwladwriaethau yn cydnabod hawl y plentyn i gael addysg, a chyda golwg ar sicrhau'r hawl hon yn raddol ac ar sail cyfle cyfartal, rhaid iddynt, yn benodol:
take measures to encourage regular attendance at schools and the reduction of drop-out rates.
gwneud addysg gynradd yn orfodol a threfnu iddi fod ar gael yn ddi-dâl i bawb;
2 W States Parties shall take all appropriate measures to ensure that school discipline is administered in a manner consistent with the child's human dignity and in conformity with the present Convention.
hybu datblygiad gwahanol ffurfiau ar addysg uwchradd, gan gynnwys addysg gyffredinol a galwedigaethol, trefnu iddynt fod ar gael ac o fewn cyrraedd pob plentyn, a chymryd mesurau priodol megis cyflwyno addysg ddi-dâl a chynnig cymorth ariannol pan fo angen;
1 W States Parties agree that the education of the child shall be directed to:
cymryd mesurau i annog presenoldeb rheolaidd mewn ysgolion ac i leihau cyfraddau gadael yn rhy gynnar.
the development of the child's personality, talents and mental and physical abilities to their fullest potential;
2 Rhaid i Bartïon Gwladwriaethau gymryd pob mesur priodol i sicrhau y caiff disgyblaeth ysgol ei gweinyddu mewn modd sy'n gyson ag urddas ddynol y plentyn ac yn cydymffurfio â'r Confensiwn presennol.
the development of respect for human rights and fundamental freedoms, and for the principles enshrined in the Charter of the United Nations;
3 Rhaid i Bartïon Gwladwriaethau hybu a annog cydweithrediad rhyngwladol mewn materion sy'n ymwneud ag addysg, yn enwedig gyda golwg ar gyfrannu at y broses o gael gwared ar anwybodaeth ac anllythrennedd ledled y byd a hwyluso mynediad at wybodaeth wyddonol a thechnegol a dulliau addysgu modern. Yn hyn o beth, rhaid rhoi sylw penodol i anghenion gwledydd sy'n datblygu.
the preparation of the child for responsible life in a free society, in the spirit of understanding, peace, tolerance, equality of sexes, and friendship among all peoples, ethnic, national and religious groups and persons of indigenous origin;
1 Mae Partïon Gwladwriaethau yn cytuno bod rhaid cyfeirio addysg y plentyn at y canlynol:
the development of respect for the natural environment.
datblygu personoliaeth, doniau a galluoedd meddyliol a chorfforol y plentyn hyd eithaf eu potensial;
In those States in which ethnic, religious or linguistic minorities or persons of indigenous origin exist, a child belonging to such a minority or who is indigenous shall not be denied the right, in community with other members of his or her group, to enjoy his or her own culture, to profess and practise his or her own religion, or to use his or her own language.
paratoi'r plentyn ar gyfer bywyd cyfrifol mewn cymdeithas rydd, mewn ysbryd dealltwriaeth, heddwch, goddefgarwch, cydraddoldeb rhwng y rhywiau, a chyfeillgarwch ymhlith yr holl bobloedd, grwpiau ethnig, cenedlaethol a chrefyddol a phersonau o darddiad brodorol;
Article 31 W
magu parch at yr amgylchedd naturiol.
1 W States Parties recognize the right of the child to rest and leisure, to engage in play and recreational activities appropriate to the age of the child and to participate freely in cultural life and the arts.
2 Rhaid peidio â dehongli unrhyw ran o'r erthygl bresennol nac erthygl 28 yn y fath fodd ag i amharu ar ryddid unigolion a chyrff i sefydlu a chyfarwyddo sefydliadau addysgol, a bydd hynny'n ddarostyngedig bob amser i'r rheidrwydd i ddilyn yr egwyddor a nodwyd ym mharagraff 1 o'r erthygl bresennol ac i'r gofynion bod rhaid i'r addysg a roddir yn y sefydliadau hynny gydymffurfio ag unrhyw safonau gofynnol a osodir gan y Wladwriaeth.
2 W States Parties shall take legislative, administrative, social and educational measures to ensure the implementation of the present article. To this end, and having regard to the relevant provisions of other international instruments, States Parties shall in particular:
1 Mae Partïon Gwladwriaethau yn cydnabod hawl y plentyn i orffwys a chael hamdden, i chwarae ac ymroi i weithgareddau adloniadol sy'n briodol i oedran y plentyn ac i gymryd rhan ddirwystr mewn bywyd diwylliannol a'r celfyddydau.
provide for appropriate penalties or other sanctions to ensure the effective enforcement of the present article.
1 Mae Partïon Gwladwriaethau yn cydnabod hawl y plentyn i gael ei amddiffyn rhag unrhyw gamfanteisio economaidd a rhag cyflawni unrhyw waith sy'n debyg o fod yn beryglus neu o amharu ag addysg y plentyn, neu o niweidio iechyd y plentyn neu ei ddatblygiad corfforol, meddyliol, ysbrydol, moesol neu gymdeithasol.
States Parties undertake to protect the child from all forms of sexual exploitation and sexual abuse. For these purposes, States Parties shall in particular take all appropriate national, bilateral and multilateral measures to prevent:
darparu ar gyfer cosbau priodol neu sancsiynau eraill i sicrhau y caiff yr erthygl bresennol ei gorfodi'n effeithiol.
States Parties shall take all appropriate national, bilateral and multilateral measures to prevent the abduction of, the sale of or traffic in children for any purpose or in any form.
cymell neu orfodi plentyn i ymgymryd ag unrhyw weithgaredd rhywiol anghyfreithlon;
States Parties shall protect the child against all other forms of exploitation prejudicial to any aspects of the child's welfare.
camfanteisio ar blant drwy eu defnyddio mewn perfformiadau a deunyddiau pornograffig.
no child shall be deprived of his or her liberty unlawfully or arbitrarily. The arrest, detention or imprisonment of a child shall be in conformity with the law and shall be used only as a measure of last resort and for the shortest appropriate period of time;
Rhaid i Bartïon Gwladwriaethau amddiffyn y plentyn rhag unrhyw ffurf arall ar gamfanteisio sy'n niweidiol i unrhyw agweddau ar les y plentyn.
1 W States Parties undertake to respect and to ensure respect for rules of international humanitarian law applicable to them in armed conflicts which are relevant to the child.
na chaiff unrhyw blentyn ei amddifadu yn anghyfreithlon neu'n fympwyol o'i ryddid. Rhaid i'r broses o arestio, cadw neu garcharu plentyn gydymffurfio â'r gyfraith a rhaid peidio â'i defnyddio ond pan fetho popeth arall a rhaid ei defnyddio am y cyfnod priodol byrraf;
2 W States Parties shall take all feasible measures to ensure that persons who have not attained the age of fifteen years do not take a direct part in hostilities.
y caiff pob plentyn a amddifadir o'i ryddid ei drin â dyngarwch a pharch at urddas gynhenid y person dynol, ac mewn modd sy'n cymryd i ystyriaeth anghenion personau o'i oedran. Yn benodol, rhaid i bob plentyn a amddifadir o'i ryddid gael ei wahanu oddi wrth oedolion oni fernir y byddai er lles pennaf y plentyn i beidio â gwneud hynny a chael hawl i gadw cysylltiad â'i deulu drwy ohebiaeth ac ymweliadau, oddigerth mewn amgylchiadau eithriadol;
3 W States Parties shall refrain from recruiting any person who has not attained the age of fifteen years into their armed forces. In recruiting among those persons who have attained the age of fifteen years but who have not attained the age of eighteen years, States Parties shall endeavour to give priority to those who are oldest.
bydd gan bob plentyn a amddifadir o'i ryddid hawl i gael mynediad buan at gymorth cyfreithiol a chymorth priodol arall, yn ogystal â hawl i herio cyfreithlondeb y weithred o'i amddifadu o'i ryddid gerbron llys neu awdurdod cymwys, annibynnol a diduedd arall, ac i gael penderfyniad buan ar unrhyw achos o'r fath.
States Parties shall take all appropriate measures to promote physical and psychological recovery and social reintegration of a child victim of: any form of neglect, exploitation, or abuse; torture or any other form of cruel, inhuman or degrading treatment or punishment; or armed conflicts. Such recovery and reintegration shall take place in an environment which fosters the health, self-respect and dignity of the child.
2 Rhaid i Bartïon Gwladwriaethau gymryd pob mesur dichonadwy i sicrhau na fydd personau sydd heb gyrraedd pymtheng mlwydd oed yn cymryd rhan uniongyrchol mewn ymladdiadau.
1 W States Parties recognize the right of every child alleged as, accused of, or recognized as having infringed the penal law to be treated in a manner consistent with the promotion of the child's sense of dignity and worth, which reinforces the child's respect for the human rights and fundamental freedoms of others and which takes into account the child's age and the desirability of promoting the child's reintegration and the child's assuming a constructive role in society.
4 Yn unol â'u rhwymedigaethau o dan gyfraith ddyngarol ryngwladol i amddiffyn y boblogaeth sifil mewn gwrthdrawiadau arfog, rhaid i Bartïon Gwladwriaethau gymryd pob mesur dichonadwy i sicrhau bod plant y mae gwrthdaro arfog yn effeithio arnynt yn cael gofal ac yn cael eu hamddiffyn.
no child shall be alleged as, be accused of, or recognized as having infringed the penal law by reason of acts or omissions that were not prohibited by national or international law at the time they were committed;
Rhaid i Bartïon Gwladwriaethau gymryd pob mesur priodol i hybu adferiad corfforol a seicolegol ac ailintegreiddiad cymdeithasol plentyn sydd wedi dioddef gan: unrhyw ffurf ar esgeuluso, camfanteisio neu gam-drin; arteithio neu unrhyw ffurf arall ar driniaeth neu gosb sy'n greulon, yn annynol neu'n ddiraddiol; neu gan wrthdrawiadau arfog. Rhaid i'r cyfryw adferiad ac ailintegreiddiad ddigwydd mewn amgylchedd sy'n meithrin iechyd, hunan-barch ac urddas y plentyn.
to be informed promptly and directly of the charges against him or her, and, if appropriate, through his or her parents or legal guardians, and to have legal or other appropriate assistance in the preparation and presentation of his or her defence;
2 I'r perwyl hwn, ac o roi sylw i ddarpariaethau perthnasol offerynnau rhyngwladol, rhaid i Bartïon Gwladwriaethau sicrhau, yn benodol:
to have the matter determined without delay by a competent, independent and impartial authority or judicial body in a fair hearing according to law, in the presence of legal or other appropriate assistance and, unless it is considered not to be in the best interest of the child, in particular, taking into account his or her age or situation, his or her parents or legal guardians;
na fydd unrhyw honiad, cyhuddiad na chydnabyddiaeth bod unrhyw blentyn wedi torri'r gyfraith trosedd oherwydd gweithredoedd neu anweithiau nad oeddent wedi eu gwahardd gan y gyfraith genedlaethol neu ryngwladol adeg eu cyflawni;
not to be compelled to give testimony or to confess guilt; to examine or have examined adverse witnesses and to obtain the participation and examination of witnesses on his or her behalf under conditions of equality;
bod gan bob plentyn, yr honnir ei fod wedi torri'r gyfraith trosedd neu y cyhuddir ef o wneud hynny, y gwarantau canlynol o leiaf:
if considered to have infringed the penal law, to have this decision and any measures imposed in consequence thereof reviewed by a higher competent, independent and impartial authority or judicial body according to law;
ei fod yn cael ei ragdybio'n ddieuog hyd nes y profir ei fod yn euog yn ôl y gyfraith.
to have the free assistance of an interpreter if the child cannot understand or speak the language used;
ei fod yn cael ei hysbysu'n fuan ac yn uniongyrchol o'r cyhuddiadau yn ei erbyn, ac, os yw'n briodol, drwy ei rieni neu ei warcheidwaid cyfreithiol, ac i gael cymorth cyfreithiol neu gymorth priodol arall i baratoi a chyflwyno ei amddiffyniad;
3 W States Parties shall seek to promote the establishment of laws, procedures, authorities and institutions specifically applicable to children alleged as, accused of, or recognized as having infringed the penal law, and, in particular:
ei fod yn peidio â chael ei orfodi i roi tystiolaeth neu i gyffesu ei fod yn euog; ei fod yn cael holi tystion gelyniaethus neu beri iddynt gael eu holi ac yn cael sicrhau bod tystion ar ei ran yn cymryd rhan ac yn cael eu holi o dan amodau cydraddoldeb;
the establishment of a minimum age below which children shall be presumed not to have the capacity to infringe the penal law;
os bernir ei fod wedi torri'r gyfraith trosedd, ei fod yn cael awdurdod neu gorff barnwrol uwch yn ôl y gyfraith sy'n gymwys, yn annibynnol ac yn ddiduedd i adolygu'r penderfyniad hwn ac unrhyw fesurau a osodir o ganlyniad iddo;
whenever appropriate and desirable, measures for dealing with such children without resorting to judicial proceedings, providing that human rights and legal safeguards are fully respected.
ei fod yn cael cynhorthwy di-dâl cyfieithydd os nad yw'r plentyn yn gallu deall neu siarad yr iaith sy'n cael ei defnyddio;
Nothing in the present Convention shall affect any provisions which are more conducive to the realization of the rights of the child and which may be contained in:
pennu oedran isaf y rhagdybir na fydd galluedd gan blant sydd oddi tano i dorri'r gyfraith trosedd;
OPTIONAL PROTOCOL TO THE CONVENTION ON THE RIGHTS OF THE CHILD ON THE INVOLVEMENT OF CHILDREN IN ARMED CONFLICT W
Ni fydd dim yn y Confensiwn presennol yn effeithio ar unrhyw ddarpariaethau sy'n fwy ffafriol i wireddu hawliau'r plentyn ac a allai fod wedi eu cynnwys:
States Parties shall take all feasible measures to ensure that members of their armed forces who have not attained the age of 18 years do not take a direct part in hostilities.
mewn cyfraith ryngwladol sydd mewn grym ar gyfer y Wladwriaeth honno.
States Parties shall ensure that persons who have not attained the age of 18 years are not compulsorily recruited into their armed forces.
PROTOCOL DEWISOL I'R CONFENSIWN AR HAWLIAU'R PLENTYN YNGHYLCH TYNNU PLANT I MEWN I WRTHDARO ARFOG LL+C
1 W States Parties shall raise the minimum age for the voluntary recruitment of persons into their national armed forces from that set out in article 38, paragraph 3, of the Convention on the Rights of the Child, taking account of the principles contained in that article and recognizing that under the Convention persons under the age of 18 years are entitled to special protection.
Rhaid i Bartïon Gwladwriaethau gymryd pob mesur dichonadwy i sicrhau na fydd aelodau o'u lluoedd arfog sydd heb gyrraedd 18 mlwydd oed yn cymryd rhan uniongyrchol mewn ymladdiadau.
3 W States Parties that permit voluntary recruitment into their national armed forces under the age of 18 years shall maintain safeguards to ensure, as a minimum, that:
Rhaid i Bartïon Gwladwriaethau sicrhau na chaiff personau nad ydynt wedi cyrraedd 18 mlwydd oed eu recriwtio dan orfodaeth i'w lluoedd arfog.
such persons provide reliable proof of age prior to acceptance into national military service.
3 Rhaid i Bartïon Gwladwriaethau sy'n caniatáu recriwtio gwirfoddol i'w lluoedd arfog cenedlaethol gadw trefniadau diogelu i sicrhau, o leiaf:
5 W The requirement to raise the age in paragraph 1 of the present article does not apply to schools operated by or under the control of the armed forces of the States Parties, in keeping with articles 28 and 29 of the Convention on the Rights of the Child.
bod y recriwtio hwnnw'n cael ei wneud gyda chydsyniad deallus rhieni'r person neu ei warcheidwaid cyfreithiol;
1 W Armed groups that are distinct from the armed forces of a State should not, under any circumstances, recruit or use in hostilities persons under the age of 18 years.
bod y personau hynny'n darparu prawf dibynadwy o'u hoedran cyn iddynt gael eu derbyn i wasanaeth milwrol cenedlaethol.
2 W States Parties shall take all feasible measures to prevent such recruitment and use, including the adoption of legal measures necessary to prohibit and criminalize such practices.
4 Caiff pob Parti Gwladwriaeth atgyfnerthu ei ddatganiad ar unrhyw bryd drwy hysbysiad i'r perwyl hwnnw sydd wedi ei gyfeirio at Ysgrifennydd Cyffredinol y Cenhedloedd Unedig, a bydd yn rhaid iddo yntau hysbysu pob Parti Gwladwriaeth. Daw'r hysbysiad hwnnw'n weithredol ar y dyddiad y daw i law'r Ysgrifennydd Cyffredinol.
3 W The application of the present article under this Protocol shall not affect the legal status of any party to an armed conflict.
5 Nid yw'r gofyniad i godi'r oedran ym mharagraff 1 o'r erthygl bresennol yn gymwys i ysgolion sy'n cael eu rhedeg gan luoedd arfog y Partïon Gwladwriaethau neu sydd o dan eu rheolaeth, a hynny'n unol ag erthyglau 28 a 29 y Confensiwn ar Hawliau'r Plentyn.
Nothing in the present Protocol shall be construed as precluding provisions in the law of a State Party or in international instruments and international humanitarian law that are more conducive to the realization of the rights of the child.
1 Ni ddylai grwpiau arfog sydd ar wahân i luoedd arfog Gwladwriaeth, o dan unrhyw amgylchiadau, recriwtio na defnyddio mewn ymladdiadau bersonau sydd o dan 18 mlwydd oed.
1 W Each State Party shall take all necessary legal, administrative and other measures to ensure the effective implementation and enforcement of the provisions of this Protocol within its jurisdiction.
3 Ni fydd cymhwyso'r erthygl bresennol o dan y Protocol hwn yn effeithio ar statws cyfreithiol unrhyw barti mewn gwrthdrawiad arfog.
3 W States Parties shall take all feasible measures to ensure that persons within their jurisdiction recruited or used in hostilities contrary to the present Protocol are demobilized or otherwise released from service. States Parties shall, when necessary, accord to these persons all appropriate assistance for their physical and psychological recovery and their social reintegration.
Rhaid peidio â dehongli unrhyw beth yn y Protocol presennol fel petai'n rhagwahardd darpariaethau yng nghyfraith Parti Gwladwriaeth neu mewn offerynnau rhyngwladol a chyfraith ddyngarol ryngwladol sy'n fwy ffafriol i wireddu hawliau'r plentyn.
1 W States Parties shall cooperate in the implementation of the present Protocol, including in the prevention of any activity contrary to the Protocol and in the rehabilitation and social reintegration of persons who are victims of acts contrary to this Protocol, including through technical cooperation and financial assistance. Such assistance and cooperation will be undertaken in consultation with concerned States Parties and relevant international organizations.
1 Rhaid i bob Parti Gwladwriaeth gymryd pob mesur cyfreithiol, pob mesur gweinyddol a phob mesur arall sy'n angenrheidiol i sicrhau bod darpariaethau'r Protocol hwn yn cael eu gweithredu a'u gorfodi'n effeithiol o fewn ei awdurdodaeth.
child prostitution means the use of a child in sexual activities for remuneration or any other form of consideration;
Rhaid i Bartïon Gwladwriaethau wahardd gwerthu plant, puteindra plant a phornograffi plant fel y darperir ar eu cyfer gan y Protocol presennol.
Article 3 W
At ddibenion y Protocol presennol:
1 W Each State Party shall ensure that, as a minimum, the following acts and activities are fully covered under its criminal or penal law, whether these offences are committed domestically or transnationally or on an individual or organized basis:
mae gwerthu plant yn golygu unrhyw weithred neu drafodiad a ddefnyddir gan unrhyw unigolyn neu grŵp o bersonau i drosglwyddo plentyn i un arall am dâl neu unrhyw gydnabyddiaeth arall;
in the context of sale of children as defined in article 2:
mae puteindra plant yn golygu defnyddio plentyn mewn gweithgareddau rhywiol am dâl neu unrhyw ffurf arall ar gydnabyddiaeth;
the offering, delivering or accepting, by whatever means, a child for the purpose of:
mae pornograffi plant yn golygu unrhyw bortread, drwy ba fodd bynnag, o blentyn sy'n ymgymryd â gweithgareddau rhywiol diamwys real neu ddynwaredol neu unrhyw bortread o rannau rhywiol plentyn at ddibenion rhywiol yn bennaf.
c. engagement of the child in forced labour;
yng nghyd-destun gwerthu plant fel y diffiniwyd y term hwnnw yn erthygl 2:
improperly inducing consent, as an intermediary, for the adoption of a child in violation of applicable international legal instruments on adoption;
cynnig, traddodi neu dderbyn plentyn, drwy ba ddull bynnag, at ddibenion:
3 W Each State Party shall make these offences punishable by appropriate penalties that take into account their grave nature.
cymell cydsynio yn amhriodol, fel canolwr, i fabwysiadu plentyn gan dorri offerynnau cyfreithiol rhyngwladol cymwysadwy am fabwysiadu;
4 W Subject to the provisions of its national law, each State Party shall take measures, where appropriate, to establish the liability of legal persons for offences established in paragraph 1 of the present article. Subject to the legal principles of the State Party, this liability of legal persons may be criminal, civil or administrative.
cynnig, sicrhau, caffael neu ddarparu plentyn ar gyfer puteindra plant, fel y'i diffiniwyd yn erthygl 2;
5 W States Parties shall take all appropriate legal and administrative measures to ensure that all persons involved in the adoption of a child act in conformity with applicable international legal instruments.
cynhyrchu, dosbarthu, lledaenu, mewnforio, allforio, cynnig, gwerthu neu feddiannu at y dibenion uchod bornograffi plant fel y'i diffiniwyd yn erthygl 2.
1 W Each State Party shall take such measures as may be necessary to establish its jurisdiction over the offences referred to in article 3, paragraph 1, when the offences are committed in its territory or on board a ship or aircraft registered in that State.
3 Rhaid i bob Parti Gwladwriaeth wneud y tramgwyddau hyn yn rhai y gellir eu cosbi â chosbau priodol sy'n cymryd i ystyriaeth eu natur ddifrifol.
2 W Each State Party may take such measures as may be necessary to establish its jurisdiction over the offences referred to in article 3, paragraph 1, in the following cases:
4 Yn ddarostyngedig i ddarpariaethau ei gyfraith genedlaethol, rhaid i bob Parti Gwladwriaeth gymryd mesurau, pan fo'n briodol, i sefydlu atebolrwydd personau cyfreithiol am dramgwyddau a sefydlwyd ym mharagraff 1 o'r erthygl bresennol. Yn ddarostyngedig i egwyddorion cyfreithiol y Parti Gwladwriaeth, gall yr atebolrwydd hwn sydd ar bersonau cyfreithiol fod yn droseddol, yn sifil neu'n weinyddol.
when the alleged offender is a national of that State or a person who has his habitual residence in its territory;
5 Rhaid i Bartïon Gwladwriaethau gymryd pob mesur cyfreithiol a gweinyddol sy'n briodol i sicrhau bod pob person sy'n ymwneud â mabwysiadu plentyn yn gweithredu'n unol â'r offerynnau cyfreithiol rhyngwladol sy'n gymwysadwy.
3 W Each State Party shall also take such measures as may be necessary to establish its jurisdiction over the above-mentioned offences when the alleged offender is present in its territory and it does not extradite him or her to another State Party on the ground that the offence has been committed by one of its nationals.
1 Rhaid i bob Parti Gwladwriaeth gymryd unrhyw fesurau sy'n angenrheidiol i sefydlu ei awdurdodaeth dros y tramgwyddau y cyfeiriwyd atynt yn erthygl 3, paragraff 1, pan fo'r tramgwyddau'n cael eu cyflawni yn ei diriogaeth neu ar fwrdd llong neu awyren sydd wedi ei chofrestru yn y Wladwriaeth honno.
4 W This Protocol does not exclude any criminal jurisdiction exercised in accordance with internal law.
2 Caiff pob Parti Gwladwriaeth gymryd unrhyw fesurau sy'n angenrheidiol i sefydlu ei awdurdodaeth dros y tramgwyddau y cyfeiriwyd atynt yn erthygl 3, paragraff 1, yn yr achosion canlynol:
2 W If a State Party that makes extradition conditional on the existence of a treaty receives a request for extradition from another State Party with which it has no extradition treaty, it may consider this Protocol as a legal basis for extradition in respect of such offences. Extradition shall be subject to the conditions provided by the law of the requested State.
3 Rhaid i bob Parti Gwladwriaeth gymryd hefyd unrhyw fesurau sy'n angenrheidiol i sefydlu ei awdurdodaeth dros y tramgwyddau uchod pan fo'r tramgwyddwr honedig yn bresennol yn ei diriogaeth ac nad yw'n ei estraddodi i Barti Gwladwriaeth arall ar y sail nad yw'r tramgwydd wedi ei gyflawni gan un o'i wladolion.