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.
Gilbert Talbot, 3rd Baron Talbot
Gilbert Talbot, 3rd Baron Talbot( c. 1332–1387) was an English nobleman and soldier.
He was the grandfather of John Talbot, 1st Earl of Shrewsbury.
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.
Rudolph Feilding, 8th Earl of Denbigh
Rudolph William Basil Feilding, 8th Earl of Denbigh, 7th Earl of Desmond (9 April 1823 – 10 March 1892) was a British peer, succeeding to his titles on the death in 1865 of his father, the 7th Earl of Denbigh.
He was noted as a Roman Catholic convert, and founder of the Franciscan friary at Pantasaph, North Wales.
Barbara Sidney, Countess of Leicester
Barbara Sidney, Countess of Leicester( 1563 – 24 May 1621) was a Welsh heiress, and the first wife of Robert Sidney, 1st Earl of Leicester.
Edward Coke, 7th Earl of Leicester
Edward Douglas Coke, 7th Earl of Leicester, CBE, DL( 6 May 1936 – 25 April 2015), styled Viscount Coke between 1976 and 1994, was an English nobleman.
The Earl of Leicester was one of Norfolk's leading figures and played a key role in preserving and modernising the Holkham Estate over the last 40 years.
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.
Ralph Neville, 3rd Earl of Westmorland
Ralph Neville, 3rd Earl of Westmorland( c. 1456 – 6 February 1499) was an English peer.
He was the grandfather of Ralph Neville, 4th Earl of Westmorland.
Jocelyn Sidney, 7th Earl of Leicester
Jocelyn Sidney, 7th Earl of Leicester (1682 – 7 July 1743) was a British peer, known as Hon.
Jocelyn Sidney until 1737.
He was the son of Robert Sidney, 4th Earl of Leicester and Lady Elizabeth Egerton.
He was educated at University College, Oxford University.
In 1734, he was appointed Chief Porter of the Tower of London by his older brother John Sidney, 6th Earl of Leicester, then Constable of the Tower.
He succeeded his brother in that year, but died without legitimate issue in 1743, when the titles of Earl of Leicester and Viscount Lisle became extinct.
Jocelyn's illegitimate daughter Lady Anne Sidney married Henry Streatfeild of Chiddingstone, Kent on 25 September 1752.
On Sir Jocelyn's death, Henry could potentially have inherited the Penshurst Estate, but after much legal wrangling Henry and Anne only received the income from the Sidneys' Welsh properties - but these were still fairly significant.
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.

Question: Who is Jocelyn Sidney, 7Th Earl Of Leicester's paternal grandfather?