George Grey, 2nd Earl of Kent
George Grey, 2nd Earl of Kent( 1454 – 25 December 1505) was the son of Edmund Grey, 1st Earl of Kent and Lady Katherine Percy.
He was the Second Earl of Kent from 1490 to 1505.
Edmund Butler, 2nd Viscount Mountgarret
Edmund Butler, 2nd Viscount Mountgarret( c. 1562 – 1602), was the son of Richard Butler, 1st Viscount Mountgarret and Eleanor Butler.
Richard Butler, 1st Earl of Arran
Richard Butler, 1st Earl of Arran, Baron Butler of Cloughgrenan, Viscount Tullough( 15 July 1639 – 25 January 1685 /1686) was an Irish peer, the fourth son of James Butler, 1st Duke of Ormonde.
Joan FitzGerald, Countess of Carrick
Joan FitzGerald, Countess of Carrick( 1281 – 2 May 1320) was an Irish noblewoman, and the wife of Edmund Butler, Earl of Carrick, Justiciar of Ireland( 1268 – 13 September 1321).
She was the mother of James Butler, 1st Earl of Ormond.
Patrick Ruthven, 1st Earl of Forth
Patrick Ruthven, 1st Earl of Forth and 1st Earl of Brentford( c. 1573 – 2 February 1651) was a Scottish nobleman, general, and diplomat.
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.
Thomas Boleyn, 1st Earl of Wiltshire
Thomas Boleyn, 1st Earl of Wiltshire, 1st Earl of Ormond, 1st Viscount Rochford( c. 1477 – 12 March 1539), of Hever Castle in Kent, was an English diplomat and politician who was the father of Anne Boleyn, Queen Consort and the second wife of King Henry VIII, and was thus the maternal grandfather of Queen Elizabeth I of England.
Edmund Butler, 11th Viscount Mountgarret
Edmund Butler, 11th Viscount Mountgarret (27 July 1745 – 16 July 1793) was an Irish peer and politician.
He was the son of Edmund Butler, 10th Viscount Mountgarret and Charlotte Bradstreet, daughter of Sir Simon Bradstreet, 1st Bart.
He married with Henrietta Butler, daughter of Somerset Hamilton Butler, 1st Earl of Carrick on 7 October 1768 and had issued.
He was a Member of Parliament (MP) in the Irish House of Commons for Kilkenny County from 1776 to 1779.
Edmund Butler, 1st Earl of Kilkenny
Edmund Butler, 1st Earl of Kilkenny, 12th Viscount Mountgarret (6 January 1771 – 16 July 1846) was created Earl of Kilkenny on 20 December 1793.
The son of Edmund Butler, 11th Viscount Mountgarret and Henrietta Butler, he was thus a member of the powerful Butler Dynasty descended from the illustrious House of Butler of Ormond, who purchased and resided at Kilkenny Castle from 1391 to 1967.
He married Mildred Fowler, daughter of Robert Fowler, Archbishop of Dublin, without issue.
On his death the Earldom thus became extinct and his nephew, Henry Edmund Butler, became the 13th Lord Viscount Mountgarret in 1846.
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.

Question: Who is Edmund Butler, 1St Earl Of Kilkenny's paternal grandfather?