Thomas Coke, 5th Earl of Leicester
Thomas William Edward Coke, 5th Earl of Leicester MVO GOC DL( 16 May 1908 – 3 September 1976), was a British peer.
Thomas Coke, 8th Earl of Leicester
Thomas Edward Coke, 8th Earl of Leicester( born 6 July 1965), is the son of Edward Coke, 7th Earl of Leicester, and Valeria Phyllis Potter.
He is the current Earl of Leicester.
From 1994 to 2015, when he succeeded into the Earldom, he was styled Viscount Coke.
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.
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.
Philip Sidney, 5th Earl of Leicester
Philip Sidney, 5th Earl of Leicester (8 July 1676 – 24 July 1705) was a British peer and Member of Parliament for Kent, styled Viscount Lisle from 1698 to 1702.
He inherited the earldom from Robert Sidney, 4th Earl of Leicester and was succeeded by his brother John Sidney, 6th Earl of Leicester.
There is a memorial to him at St John the Baptist, Penshurst.
Robert Sidney, 4th Earl of Leicester
Robert Sidney, 4th Earl of Leicester (1649 – 11 November 1702) was the son of Philip Sidney, 3rd Earl of Leicester, and the former Lady Catherine Cecil.
Amaury de Montfort (died 1241)
Amaury de Montfort( 1192 – 1241) was the son of Simon de Montfort, 5th Earl of Leicester and Alix de Montmorency, and the brother of Simon de Montfort, 6th Earl of Leicester.
Margaret de Stafford
Margaret Stafford( born c. 1364; died 9 June 1396) was the daughter of Hugh de Stafford, 2nd Earl of Stafford, and Philippa de Beauchamp.
She was the first wife of Ralph Neville, 1st Earl of Westmorland, and the grandmother of the 2nd Earl.
Robert Sidney, 2nd Earl of Leicester
Robert Sidney, 2nd Earl of Leicester (1 December 1595 – 2 November 1677) was an English diplomat and politician who sat in the House of Commons between 1614 and 1625 and then succeeded to the peerage as Earl of Leicester.

Question: Who is Philip Sidney, 5Th Earl Of Leicester's paternal grandmother?