question: Who is Walter Butler, 11Th Earl Of Ormond's paternal grandfather?
context: [["James Butler, 9th Earl of Ormond", ["James Butler, 9th Earl of Ormond and 2nd Earl of Ossory( 149628 October 1546), known as The Lame, was the son of Piers Butler, 8th Earl of Ormond and Margaret Fitzgerald, Countess of Ormond.", "He was created, in 1535, Viscount Thurles, and was confirmed by Act of Parliament, 6 November 1541, in the Earldom of Ormond, as 9th Earl with the pre-eminence of the original earls.", "His death by poisoning in London has remained an unsolved mystery to this day."]], ["Thomas Butler, Viscount Thurles", ["Thomas Butler, Viscount Thurles( before 1596 \u2013 15 December 1619) was the son and heir apparent of Walter Butler, 11th Earl of Ormond( 1559 \u2013 1632/ 3)( whom he predeceased) and Helen Butler.", "He resided at Thurles Castle, Thurles, County Tipperary.", "He was the father of the noted Anglo- Irish statesman and Royalist commander James Butler, 1st Duke of Ormonde."]], ["Walter Butler, 11th Earl of Ormond", ["Walter Butler, 11th Earl of Ormond and 4th Earl of Ossory (155924 February 1632/3), was an Irish peer.", "He was the son of John Butler of Kilcash (who was the son of the 9th Earl) and Katherine, the daughter of Cormac na Haoine MacCarthy Reagh.", "He inherited the earldom in 1614 because his uncle Thomas (\"Black Tom\" or \"Thom\u00e1s Dubh\") had died without legitimate male issue.", "Following the failure of the senior line, Walter's Kilcash branch would supply five earls of Ormond."]], ["Helen Butler", ["Helen Butler( died 28 January 1631), also known as the Honorable Helen Butler, was the daughter of Edmund Butler, 2nd Viscount Mountgarret and Grizel FitzPatrick.", "She married her second cousin Walter Butler, 11th Earl of Ormond.", "Their common great- grandfather was Piers Butler, 8th Earl of Ormond.", "She had three sons and nine daughters:"]], ["Elizabeth Darcy, Countess of Ormond", ["Elizabeth Butler (\"nee\" Darcy), Countess of Ormond (3 April 1332 \u2013 24 March 1390) was the wife of Irish peer James Butler, 2nd Earl of Ormond, and the mother of his six children, including James Butler, 3rd Earl of Ormond."]], ["James Butler, 1st Duke of Ormond", ["Lieutenant- General James FitzThomas Butler, 1st Duke of Ormond, 1st Marquess of Ormond, 12th Earl of Ormond, 5th Earl of Ossory, 4th Viscount Thurles, 1st Baron Butler of Llanthony, 1st Earl of Brecknock, KG, PC( 1610 \u2013 1688) was an Irish statesman and soldier, known as Earl of Ormond from 1634 to 1642 and Marquess of Ormond from 1642 to 1661.", "Following the failure of the senior line of the Butler family, he was the second of the Kilcash branch to inherit the earldom.", "His friend, the 1st Earl of Strafford, caused him to be appointed the commander of the Cavalier forces in Ireland.", "From 1641 to 1647, he led the Royal Irish Army fighting against the Irish Catholic Confederation.", "From 1649 to 1650 he was the leading commander of the Royalist forces in the fight against the Cromwellian conquest of Ireland.", "In the 1650s he lived in exile in Europe with King Charles II of England.", "Upon the restoration of Charles to the throne in 1660, Ormond became a major figure in English and Irish politics, holding many high government offices."]], ["John Butler of Kilcash", ["John Butler of Kilcash (died 10 May 1570) was the third son of James Butler, 9th Earl of Ormond and Lady Joan Fitzgerald."]], ["Walter Butler, 16th Earl of Ormonde", ["Walter Butler( 1703 \u2013 1783), also known as Walter Butler of Kilcash, and Walter Butler of Garryricken, was the\" de jure\" 16th Earl of Ormond and 9th Earl of Ossory.", "He did not assume these titles as he thought them forfeit as a result of the attainder of the 2nd Duke of Ormonde.", "In the peerage of Ireland, the titles were successfully claimed in 1791 by his son John, the 17th Earl."]], ["Richard Burke, 6th Earl of Clanricarde", ["Richard Burke, 6th Earl of Clanricarde, Irish peer, died August 1666.", "Richard was the eldest son of Sir William Burke and Joan O'Shaughnessy.", "He was a first cousin to the previous Earl and had served under him in the royalist forces during the Irish Confederate Wars.", "When restored, the Clanricarde estates were heavily in debt and a great deal of litigation was ongoing between the interested parties.", "Richard married Elizabeth Butler, one of the many daughters of Walter Butler, 11th Earl of Ormond.", "It was the second marriage for Elizabeth, who was the widow of Sir Edmond Blanchville of County Kilkenny.", "They had two daughters, Margaret and Mary, but no son.", "He was succeeded by his brother, William."]], ["Christopher Nugent, Lord Delvin", ["Christopher Nugent, Lord Delvin( died before 1680) was the eldest son of Richard Nugent, 2nd Earl of Westmeath.", "His brother was Thomas Nugent, 1st Baron Nugent of Riverston.", "By his wife, Mary Butler( daughter of Colonel Richard Butler, grandson of Walter Butler, 11th Earl of Ormonde and Lady Frances Tuchet, daughter of Mervyn Tuchet, 2nd Earl of Castlehaven), he had issue:"]]]
supporting_facts: [["Walter Butler, 11th Earl of Ormond", 1], ["John Butler of Kilcash", 0]]
evidences: [["Walter Butler, 11th Earl of Ormond", "father", "John Butler of Kilcash"], ["John Butler of Kilcash", "father", "James Butler"]]
answer: James Butler