Anne Denman
Anne Denman( 1587–1661) was born in Olde Hall, Retford, Nottinghamshire.
Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne.
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.
Kaoru Hatoyama
After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama.
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.
Mona Hopton Bell
Mona Hopton Bell( 1867- 1940) was a British artist, best known for her portraits of civic figures.
She was the grandmother of the painter Jean H. Bell.
Gülbahar Hatun (wife of Mehmed II)
Gülbahar Hatun( 1432 – 1492) was the consort of Sultan Mehmed II, and mother of Sultan Bayezid II of the Ottoman Empire and the grandmother of Selim I.
Henry I van Vianden
Henry (or Hendrik)
van Vianden (died 4 June 1267) was a bishop of Utrecht from 1249 to 1267.
He was the son of Henry I, Count of Vianden and Margaret, Marchioness of Namur.
He was provost at Cologne before he was pushed forward as candidate for the bishopric of Utrecht by the Welfs in their struggle with the Hohenstaufen.
Pope Innocent IV then formally appointed him despite resistance from the canons of Utrecht.
Until 1252 he was bishop-elect, but in 1252 he was consecrated.
Henry supported the German anti-king William II of Holland, but William exploited the disputes that emerged between Henry, and the nobility and the city of Utrecht.
Henry managed to subdue his opponents, but their actions were a precursor to future struggles.
Henry van Vianden granted city rights to a large number of towns, such as Hasselt in 1252, Amersfoort in 1259, Goor in 1263, and Oudewater, Loenen and Vreeland in 1265.
In Vreeland he also constructed the Castle Vreeland as a border-fortress against Holland.
In 1254 he laid the first stone of the gothic Dom Church of Utrecht, after the previous church had burned down in a nine-day long city fire in 1253.
He was interred in the Dom church.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Hüma Hatun
Hüma Hatun (1410 ‒ September 1449) was the fourth wife of Ottoman Sultan Murad II and mother of Mehmed II and the grandmother of Bayezid II.
Margaret, Marchioness of Namur
Margaret, Marchioness of Namur (c. 1194 – 17 July 1270) was ruling Marchioness of Namur in 1229-1237.
She was the daughter of Peter II of Courtenay and Yolanda of Flanders.

Question: Who is Henry I Van Vianden's maternal grandmother?
Answer: Yolanda of Flanders