Charles de Trafford
Charles Edmund de Trafford (21 May 1864 – 11 November 1951) was an English aristocrat and a first-class cricketer.
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.
Sir Humphrey de Trafford, 4th Baronet
Sir Humphrey Edmund de Trafford, 4th Baronet( 30 November 1891 – 6 October 1971) was a prominent English racehorse owner, and the grandfather of Brigadier Andrew Parker Bowles.
He was the son of Sir Humphrey de Trafford, 3rd Baronet, and Violet Alice Maud Franklin.
John de Trafford
Sir John Humphrey de Trafford, 7th Baronet, MBE (born 12 September 1950) is a British businessman and banker.
He is the son of Sir Dermot de Trafford, 6th Baronet and his first wife Patricia Mary Beeley.
He succeeded to the de Trafford Baronetcy upon the death of his father in January 2010, and was appointed a Member of the Order of the British Empire (MBE) in the Queen's 2010 Birthday Honours.
Sir John was educated at Ampleforth College and Bristol University, graduating in 1971 with a BSc.
In 1975, Sir John married Anne Marie Faure de Pebeyre, daughter of Jacques Faure de Pebeyre, and they have brought up two children; Alexander Humphrey de Trafford (born 28 June 1978) and Isabel June de Trafford (born 28 February 1980).
In business, Sir John has served as Sales and Marketing Director for Thistle Hotels and held various positions within American Express, before becoming Regional President of the North Europe division in 2000.
He also holds several non-executive directorships including with the Pension, Disability and Carers Service.
Sir John became a non-executive director of the UK's state-owned National Savings and Investments (NS&I) in January 2010, and was appointed chairman on 4 January 2012 .
He is also a trustee of the Landmark Trust and of the National Benevolent Fund for the Aged.
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.
Sir Humphrey de Trafford, 2nd Baronet
Sir Humphrey de Trafford, 2nd Baronet( 1 May 1808 – 4 May 1886) was a prominent English Catholic.
Born at Croston Hall near Chorley, Lancashire on 1 May 1808, he was the fourth child and the eldest son of Sir Thomas de Trafford.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Dermot de Trafford
Sir Dermot Humphrey de Trafford, 6th Baronet, VRD, FRSA (19 January 1925 – 22 January 2010) was a British banker, businessman and baronet.
He was the son of Sir Rudolph de Trafford, 5th Baronet, and June Isabel Chaplin.
Rudolph de Trafford
Sir Rudolph Edgar Francis de Trafford, 5th Baronet, OBE( 31 August 1894 – 16 August 1983) was a British aristocrat and banker who succeeded his brother to the de Trafford baronetage at the age of 77.
Rudolph was the second son of Sir Humphrey de Trafford, 3rd Baronet and Violet Alice Maud Franklin.
He attended Downside( Sep 1907 to Jul 1911), and Trinity College, Cambridge, where he was friends with Marshall Field III.
After graduating with a BA in 1915, he fought in the First World War, being twice mentioned in despatches.
In 1919, Rudolph joined Marshall Field in California for a vacation with Field's wife and children on Catalina Island.
Henry de Trafford
Henry de Trafford( fl. 1312) was an English politician.
He was a Member( MP) of the Parliament of England for Lancashire in 1312.

Question: Who is the paternal grandfather of John De Trafford?