Charles Wykeham Martin
Charles Wykeham- Martin DL( 11 September 1801 – October 1870) was an English Conservative Party politician who sat in the House of Commons in two periods between 1841 and 1870.
Martin was born Charles Wykeham the son of Fiennes Wykeham of Leeds Castle Maidstone and his wife Eliza Bignell, daughter of R. Bignell.
He was educated at Eton College and at Balliol College, Oxford.
In 1821 his father assumed the additional name of Martin.
He was a Fellow of the Royal Society of Antiquaries, a corresponding member of the Academy d'Archeologie de Belgique, and a Fellow of the Royal Statistical Society.
He was also a lieutenant- colonel of the 3rd Battalion Kent Volunteers and a Deputy Lieutenant and J.P. for Kent and a J.P. for Hampshire.
Martin stood for parliament unsuccessfully at Newport( Isle of Wight) in 1837 but was elected Member of Parliament( MP) for Newport in 1841.
He lost the seat at Newport in 1852 and stood unsuccessfully at Maidstone in 1853.
He was elected MP for West Kent at a by-election in 1857 as a Liberal but lost the seat in 1859.
At the 1865 general election he was elected MP for Newport again and re-elected in 1868 when representation was reduced to one member.
He held the seat until his death in 1870.
Martin died at the age of 69.
Martin married firstly in 1828, Lady Jemima Isabella Cornwallis, daughter of James Mann, 5th Earl Cornwallis.
She died in 1836 and he married secondly in 1838, Matilda Trollope daughter of Sir John Trollope, 6th Baronet.
His son Philip was MP for Rochester.
His second son Fiennes took the surname Cornwallis in 1859 by Royal licence in accordance with an inheritance from Caroline Cornwallis.
Charles Wykeham Martin is the grandfather of Fiennes Cornwallis, 1st Baron Cornwallis, the great- grandfather of Wykeham Cornwallis, 2nd Baron Cornwallis, and the great- great grandfather of Fiennes Neil Wykeham Cornwallis, 3rd Baron Cornwallis.
Charles Cornwallis, 4th Baron Cornwallis
Charles Cornwallis, 4th Baron Cornwallis( 167520 January 1721/ 22) was a British politician.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Kaya Alp
Kaya Alp was, according to Ottoman tradition, the son of Kızıl Buğa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertuğrul, and the great grandfather of the Ottoman Empire founder, Osman I.
Charles Cornwallis, 2nd Baron Cornwallis
Charles Cornwallis, 2nd Baron Cornwallis of Eye( 1632 – 13 April 1673) was an English landowner and politician who sat in the House of Commons from 1660 to 1662 when he inherited the peerage as Baron Cornwallis.
Wykeham Cornwallis, 2nd Baron Cornwallis
Colonel Wykeham Stanley Cornwallis, 2nd Baron Cornwallis (4 March 1892 – 4 January 1982), was a British peer, cavalry officer and amateur cricketer.
He served during the First World War and was later prominent in public life in the county of Kent, holding a range of public offices.
He played first-class cricket for Kent County Cricket Club, captaining the side between 1926 and 1928 and succeeded his father Fiennes Cornwallis, 1st Baron Cornwallis as Baron Cornwallis in 1935.
Samuel Strang Steel
Sir Samuel Strang Steel, 1st Baronet (1 August 1882 – 14 August 1961) was a Conservative Party politician in the United Kingdom.
He was elected as Member of Parliament (MP) for Ashford at the 1918 general election, and held the seat until his defeat at the 1929 general election by the Liberal Party candidate, Rev. Roderick Kedward.
He was made a Baronet in July 1938, of Philiphaugh, Selkirkshire, and from 1948 to 1958 he served as Lord Lieutenant of Selkirkshire.
In 1910 he married Vere Mabel, daughter of Fiennes Cornwallis, 1st Baron Cornwallis.
The couple had four sons and one daughter.
Fiennes Cornwallis, 3rd Baron Cornwallis
Fiennes Neil Wykeham Cornwallis, 3rd Baron Cornwallis, OBE, DL (29 June 1921 – 6 March 2010) was a British peer.
He was the younger child, and the only son, of Wykeham Cornwallis, 2nd Baron Cornwallis and Cecily Etha Mary (née Walker).
He had an elder sister, Rosamond Patricia Susan Anne Cornwallis (15 May 1918 – 3 September 1960).
He attended Eton College.
Upon the death of his father in 1982, he succeeded him as the 3rd Baron Cornwallis.
Charles Cornwallis, 3rd Baron Cornwallis
Charles Cornwallis, 3rd Baron Cornwallis PC( 28 December 1655 – 29 April 1698) was a British politician who served as First Lord of the Admiralty.
He succeeded his father Charles Cornwallis, 2nd Baron Cornwallis as Baron Cornwallis in 1673.
On 27 December that year, at Westminster Abbey, he married Elizabeth Fox( d. 28 February 1681 in Tunbridge Wells), daughter of Sir Stephen Fox.
Their son Charles succeeded him as 4th Baron Cornwallis.
After Elizabeth's death, he married Anne Scott, 1st Duchess of Buccleuch, widow of James Scott, 1st Duke of Monmouth.
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.

Question: Who is Fiennes Cornwallis, 3Rd Baron Cornwallis's paternal grandfather?
Answer: Fiennes Cornwallis, 1st Baron Cornwallis