John Christian Kunkel
John Christian Kunkel (September 18, 1816 – October 14, 1870) was a Whig and Republican member of the U.S. House of Representatives from Pennsylvania.
He was the grandfather of John Crain Kunkel.
William Foster (bishop)
William Foster, D.D. (3 July 1744 – November 1797) was a Church of Ireland bishop.
The younger son of Anthony Foster, Chief Baron of the Irish Exchequer, and his first wife Elizabeth Burgh, he was chaplain to the Irish House of Commons (1780–89), then successively Bishop of Cork and Ross (1789–1790), Bishop of Kilmore (1790–1796) and Bishop of Clogher (1796–1797).
John Foster (Australian politician)
John Leslie Fitzgerald Vesey Foster( 19 August 1818 – 3 January 1900), also known as John Leslie Foster- Vesey- Fitzgerald, was a politician in colonial New South Wales and Victoria( Australia).
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
John Turner (basketball)
John Leslie Turner( born November 30, 1967) is an American former professional basketball player.
John Leslie Foster
John Leslie Foster, FRS (c. 1781 – 10 July 1842) was an Irish barrister, judge and Tory Member of Parliament (MP) in the United Kingdom Parliament.
In 1830 he was appointed a Baron of the Court of Exchequer of Ireland.
He was the son of William Foster, Bishop of Clogher (1744-1797) and nephew of John Foster, 1st Baron Oriel.
He was educated at Trinity College, Dublin and St John's College, Cambridge.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Archibald Hope, Lord Rankeillor
Sir Archibald Hope, Lord Rankeillor (1639 – 10 October 1706) was a Scottish advocate and judge, the second son of John Hope, Lord Craighall, the grandfather of the botanist John Hope and the great-grandfather of the chemist Thomas Charles Hope, FRSE.
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.
John Marshall (Conservative politician)
John Leslie Marshall( born 19 August 1940) is a British Conservative politician.

Question: Who is the paternal grandfather of John Leslie Foster?
Answer: Anthony Foster