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.
Andrew Russell, 15th Duke of Bedford
Andrew Ian Henry Russell, 15th Duke of Bedford (born 30 March 1962) is a British nobleman and peer.
He is the son of Henry Robin Ian Russell, 14th Duke of Bedford, and his wife, Henrietta Tiarks.
Seth Russell
Seth Andrew Russell( born January 27, 1994) is a former American football quarterback.
He played college football for the Baylor Bears.
Robin Russell, 14th Duke of Bedford
Henry Robin Ian Russell, 14th Duke of Bedford, DL (21 January 1940 – 13 June 2003) was a British peer.
He became better known to the public than most of his ancestors by appearing in three series of the reality television programme "Country House", made by Tiger Aspect Productions for BBC Two.
He was born at the Ritz in London to John Ian Robert Russell, Lord Howland (later 13th Duke) and his first wife, Clare Gwendolyn Bridgman.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Wriothesley Russell, 3rd Duke of Bedford
Wriothesley Russell, 3rd Duke of Bedford (25 May 1708 – 23 October 1732) was an English nobleman and peer.
He was the son of Wriothesley Russell, 2nd Duke of Bedford.
Russell married his sister's stepdaughter, Lady Anne Egerton, daughter of Scroop Egerton, 1st Duke of Bridgwater, on 22 April 1725.
He died in 1732, aged 24 at Corunna, Spain, without issue.
He was buried on 14 December 1732 in the 'Bedford Chapel' at St. Michael’s Church, Chenies, Buckinghamshire, and his titles passed to his brother, John Russell, 4th Duke of Bedford.
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.
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.
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.
Emily Mary Barton
Emily Mary Barton( 1817–1909) was an English- born Australian poet.
She wrote poetry for most of her life, and was still publishing when she was 90.
She was the grandmother of Andrew Barton( Banjo) Paterson.

Question: Who is Andrew Russell, 15Th Duke Of Bedford's paternal grandmother?