Walter III of Châtillon
Walter III of Châtillon( 1166- 1219), also known as Gaucher III of Châtillon, was a French nobleman.
He was a son of Guy II of Châtillon and Adèle of Dreux ..
His brother was Guy III, lord of Chatillon.
In 1196 he married Elisabeth of Saint- Pol, daughter of Hugo IV, Count of Saint- Pol and in 1205, he succeeded his father- in- law as count of Saint- Pol.
Walter and Elisabeth had:
Guy XVI de Laval
Guy XVI, Count of Laval, Mayenne (1 October 1476 – 20 May 1531) was a member of the House of Laval.
He was christened Nicolas, but upon inheriting the title, he took the required name of Guy, as his predecessors had done.
He was the son of Jean de Laval, who was the brother of Guy XV and the son of Guy XIV and Isabella of Brittany.
Lambert I of Nantes
Lambert I( died 836) was the Count of Nantes and Prefect of the Breton March between 818 and 831 and Duke of Spoleto between 834 and 836.
Lambert succeeded his father Guy.
Lambert participated in an expedition undertaken by Louis the Pious in 818 against the Bretons, who had proclaimed Morvan Lez- Breizh their king.
In 822, a new Breton chief Wiomarc'h rebelled, but submitted in May 825 at Aachen.
On his return to Brittany, Lambert had him assassinated.
In 831, Lambert joined the rebellion of Lothair I against Louis and was exiled across the Alps, where he was given the Duchy of Spoleto in 834.
He was one of many among Lothair's entourage to die in an epidemic of 836.
Lambert married firstly Itta, who bore his eventual successor in Nantes, Lambert II.
Subsequently, he married Adelaide of Lombardy, the eldest daughter of Pepin of Italy, who was in turn the eldest son of Charlemagne that had children.
Adelaide bore him another son, Guy, who would succeed him in the duchy of Spoleto.
Guy's son Guy III of Spoleto was a descendant of Charlemagne through Lambert's wife, Adelaide, and was crowned emperor.
Guy III of Spoleto
Guy III of Spoleto (died 12 December 894) was the margrave of Camerino from 880 and then duke of Spoleto and Camerino from 883.
He was crowned king of Italy in 889 and emperor in 891.
He died in 894 while fighting for control of the Italian Peninsula.
Guy was married to Ageltrude, daughter of Adelchis of Benevento, who bore him a son named Lambert.
Hugh II, Count of Blois
Hugh II of Châtillon( died 1307), son of Guy III, Count of Saint- Pol, and Matilda of Brabant, was count of St Pol 1289 – 1292 and count of Blois 1292 – 1307.
He married c. 1287 Beatrix of Dampierre, daughter of Guy of Flanders and Isabelle of Luxembourg.
They had two children:
Ageltrude
Ageltrude (also spelled Agiltrude) (died 27 August 923) was the Empress and Queen of Italy as wife and mother respectively of Guy (reigned 891–94) and Lambert (reigned 894–98).
She was the regent for her son and actively encouraged him in opposing her archenemies, the Carolingians, and in influencing papal elections in their favour.
She was the daughter of Prince Adelchis of Benevento and Adeltrude.
She married Guy in the early 880s, when he was still just the duke and margrave of Spoleto and Camerino.
In 894, she accompanied her 14-year-old son, Lambert, to Rome to be confirmed as emperor by Pope Formosus, who supported the Carolingian claimant Arnulf of Carinthia.
In 896, she and her son were holed up in Spoleto when Arnulf marched into Rome and was crowned in opposition to Lambert.
Arnulf was soon paralysed by a stroke and Formosus died.
Ageltrude quickly interfered to assert her authority in Rome and have elected her candidate as Pope Stephen VI.
At her and Lambert's request, the body of Formosus was disinterred and tried, convicted and hurled into the Tiber in the Cadaver Synod.
Lambert became Lambert II of Spoleto.
Mahaut of Châtillon
Mahaut of Châtillon( 1293 – 3 October 1358) was the daughter of Guy III of Châtillon and Marie of Brittany.
Willa of Spoleto
Willa of Spoleto( also Willa of Tuscany)( – 7 January 978) was the daughter of Boniface I, duke of Spoleto.
Through marriage to Hubert, Duke of Spoleto Willa became duchess of Spoleto and margravine of Tuscany.
Lambert of Italy
Lambert( c. 880 – 15 October 898) was the King of Italy from 891, Holy Roman Emperor, co-ruling with his father from 892, and Duke of Spoleto and Camerino( as Lambert II) from his father's death in 894.
He was the son of Guy III of Spoleto and Ageltrude, born in San Rufino.
He was the last ruler to issue a capitulary in the Carolingian tradition.
Anselm II (archbishop of Milan)
Anselm II Capra( 896) was the archbishop of Milan from 882 until his death.
He was the leader of the West Frankish party against the East Frankish in the Italian politics of his day.
He opposed Berengar of Friuli and supported crowning the Frank Guy III of Spoleto as King of Italy after the deposition of Charles the Fat.
He eventually prevailed, by his ecclesiastic influence winning over the pro-German bishops, such as Wibod of Parma.

Question: Who is the child of Guy Iii Of Spoleto?