Judith of Swabia
Judith of Swabia (Summer 1054 – 14 March ca. 1105?), a member of the Salian dynasty, was the youngest daughter of Emperor Henry III from his second marriage with Agnes of Poitou.
By her two marriages she was Queen of Hungary from 1063 to 1074 and Duchess of Poland from 1089 to 1102.
Matilda, Abbess of Quedlinburg
Matilda( December 955 – 999), also known as Mathilda and Mathilde, was the first Princess- Abbess of Quedlinburg.
She was the daughter of Otto I, Holy Roman Emperor, and his second wife, Adelaide of Italy.
Adelaide II, Abbess of Quedlinburg
Adelaide II( 1045 – 11 January 1096), a member of the Salian dynasty, was Abbess of Gandersheim from 1061 and Abbess of Quedlinburg from 1063 until her death.
Hedwig, Abbess of Quedlinburg
Hedwig of Saxony( 31 October 1445 – 13 June 1511) was Princess- Abbess of Quedlinburg from 1458 until her death.
Adelaide I, Abbess of Quedlinburg
Adelaide I( 973/74 – 14 January 1044 or 1045), a member of the royal Ottonian dynasty was the second Princess- abbess of Quedlinburg from 999, and Abbess of Gernrode from 1014, and Abbess of Gandersheim from 1039 until her death, as well as a highly influential kingmaker of medieval Germany.
Hubba bint Hulail
Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic" Nabī"( Prophet) Muhammad ibn Abdullah.
Agnes I, Abbess of Quedlinburg
Agnes I (born c. 1090; died 29 December 1125 in Quedlinburg) was Abbess of Gandersheim and Quedlinburg.
She was the second daughter of Judith of Swabia and Władysław
I Herman.
She was the granddaughter of Henry III, Holy Roman Emperor.
Agnes became abbess at Gandersheim Abbey, place of several famous women, such as Hroswitha of Gandersheim, recorded by Conrad Celtes.
She was Princess-Abbess of Quedlinburg from 1110 until 1125.
She was excommunicated by Pope Calixtus II for her loyalty to her paternal uncle, Henry V, the King of the Romans in 1119.
Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.
She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Agnes II, Abbess of Quedlinburg
Agnes II( Agnes of Meissen; 1139 – 21 January 1203) was a member of the House of Wettin who reigned as Princess- Abbess of Quedlinburg.

Question: Who is Agnes I, Abbess Of Quedlinburg's maternal grandmother?