Sir John Shelley, 4th Baronet
Sir John Shelley 4th Baronet( 5 March 1692 – 1771) of Mitchelgrove, Sussex, was a British Whig politician who sat in the House of Commons between 1727 and 1747.
Shelley was the eldest son of Sir John Shelley, 3rd Baronet and his second wife Mary Gage, daughter of Sir John Gage, 4th Baronet, of Firle, Sussex.
He succeeded his father to the baronetcy on 25 April 1703.
He was a Roman Catholic, who conformed to Anglicanism in 1716.
He married Catherine Scawen, daughter of Sir Thomas Scawen of Horton, Buckinghamshire on 21 May 1717.
She died in September 1726 and he married as his second wife Margaret Pelham, daughter of Thomas Pelham, 1st Baron Pelham MP of Laughton, on 16 March 1727.
Her brother was Thomas Pelham- Holles, 1st Duke of Newcastle.
Shelley was elected Member of Parliament for Arundel at the 1727 general election.
He supported the Government consistently throughout his parliamentary career.
He was returned unopposed tor Arundel at the 1734 general election but lost the seat in 1741.
His brother- in- law, the Duke of Newcastle brought him in as MP for Lewes at a by-election on 6 December 1743.
His wife sought an official post for her husband from her brother but nothing materialized.
Questions were raised about his private life and he was dropped at the 1747 general election.
Shelley died on 6 September 1771.
He had two daughters by his first wife, and a son and two daughters by his second wife.
He was succeeded in the baronetcy by his son John.
Thomas Pelham, 1st Earl of Chichester
Thomas Pelham, 1st Earl of Chichester PC( 28 February 1728 – 8 January 1805), known as the Lord Pelham of Stanmer from 1768 to 1801, was a British Whig politician.
Christopher Wandesford, 2nd Viscount Castlecomer
Christopher Wandesford, 2nd Viscount Castlecomer( 2 March 1684 – 23 June 1719) was an Irish politician who sat in the Parliament of Ireland in 1707 and in the British House of Commons between 1710 to 1719.
Wandesford was the son of Christopher Wandesford, 1st Viscount Castlecomer.
He was educated at Trinity College, Dublin in 1702.
Wandesford served as the Member of Parliament for St Canice in the Parliament of Ireland between July and September 1707.
He also succeeded to his father's titles on 15 September 1707.
On 25 April 1710 he was made a member of the Privy Council of Ireland and was Governor of Kilkenny from 1715.
At the 1710 British general election, Wandesford was returned to Parliament as MP for Morpeth but lost the seat in 1713.
At the 1715 general election he was returned as MP for Ripon and sat until his death in 1719.
He was Secretary at War in 1718.
Castlecomer married Hon. Frances Pelham, daughter of Thomas Pelham, 1st Baron Pelham and Lady Grace Holles, on 31 May 1715.
He died aged 35 and was succeeded by his only child, Christopher.
George Pelham (bishop)
George Pelham( 13 October 1766 – 7 February 1827) was a Church of England bishop, serving in the sees of Bristol( 1802 – 1807), Exeter( 1807– 1820) and Lincoln( 1820 – 1827).
He began his career as Vicar of Hellingly in Sussex in 1800.
George Pelham was the third son of Thomas Pelham, 1st Earl of Chichester and was educated at Westminster and Clare College, Cambridge, graduating in 1787.
He also served from 1815 to 1827 as Clerk of the Closet.
John Carey, 2nd Earl of Dover
John Carey, 2nd Earl of Dover( 1608 – 26 May 1677), styled Viscount Rochford from 1628 to 1666, was an English peer.
He was the eldest son of Henry Carey, 1st Earl of Dover, and Judith, daughter of Sir Thomas Pelham, 1st Baronet.
He was educated at St John's College, Cambridge.
Richard Wesley, 1st Baron Mornington
Richard Colley Wesley, 1st Baron Mornington (– 31 January 1758) was an Irish peer, best remembered as the grandfather of Arthur Wellesley, 1st Duke of Wellington.
Thomas Pelham, 1st Baron Pelham
Thomas Pelham, 1st Baron Pelham of Laughton Bt (1653 – 23 February 1712) was a moderate English Whig politician and Member of Parliament for several constituencies.
He is best remembered as father of two British prime ministers (Henry Pelham and the Duke of Newcastle) who, between them, served for 18 years as first minister.
Pelham was born in Laughton, Sussex, the son of Sir John Pelham, 3rd Baronet and his wife Lucy Sidney (daughter of Robert Sidney, 2nd Earl of Leicester).
Pelham was educated at Tonbridge School and Christ Church, Oxford.
He sat for East Grinstead from October 1678 until August 1679.
In October 1679 he was returned for Lewes, serving until 1702 (when he was returned for both Lewes and Sussex); he subsequently chose to sit for Sussex, a seat he held until 1705.
Thomas Pelham, 2nd Earl of Chichester
Thomas Pelham, 2nd Earl of Chichester PC, PC( Ire), FRS( 28 April 1756 – 4 July 1826), styled The Honourable Thomas Pelham from 1768 until 1783, The Right Honourable Thomas Pelham from 1783 to 1801, and then known as Lord Pelham until 1805, was a British Whig politician.
He notably held office as Home Secretary under Henry Addington from 1801 to 1803.
Sir John Pelham, 3rd Baronet
Sir John Pelham, 3rd Baronet (1623–1703) was an English politician who sat in the House of Commons of England variously between 1644 and 1698.
Pelham was the son of Sir Thomas Pelham, 2nd Baronet, and his wife Mary Wilbraham.
In 1645, Pelham was elected Member of Parliament for Hastings to replace disabled Royalists in the Long Parliament.
He was secluded in Pride's Purge in 1648.
He inherited the baronetcy on the death of his father in 1654.
In 1654 he was elected MP for Sussex in the First Protectorate Parliament and continued sitting in the Second Protectorate Parliament until 1658.
After the Restoration he was MP for Sussex from 1660 to 1681 and from 1689 to 1698.
Pelham married Lady Lucy Sydney, daughter of Robert Sydney, 2nd Earl of Leicester and his wife Lady Dorothy Percy, on 20 January 1647.
They had three sons and two daughters:
He was succeeded by his son Thomas who was created Baron Pelham in 1706.
In 1694, Pelham attended a cricket match at Lewes and his personal accounts refer to him paying for a wager at the time.
This is one of the earliest references in cricket history in which a named individual is involved.
Henrietta Nevill, Baroness Bergavenny
Henrietta Nevill, Baroness Bergavenny( 1 August 1730 – 31 August 1768), formerly Henrietta Pelham, was the wife of George Nevill, 1st Earl of Abergavenny.
Henrietta was the daughter of Thomas Pelham of Stanmer and his wife, the former Annetta Bridges.
Henrietta's brother was Thomas Pelham, 1st Earl of Chichester.
She was christened at St Anne's, Westminster, London.
Henrietta's first husband was Hon. Richard Temple, son of Henry Temple, 1st Viscount Palmerston, whom she married in 1748; he died of smallpox in the following year.
They had no children.
Four years later, on 5 February 1753, she married George Nevill, then 15th Baron Bergavenny.
Their children were: Henrietta died at the age of 38 and was buried at East Grinstead.
After her death, in 1784, her husband was raised to the earldom of Abergavenny, thus she never held the title of countess though she is sometimes referred to as such.

Question: Who is Thomas Pelham, 1St Baron Pelham's paternal grandfather?
Answer: Sir Thomas Pelham, 2nd Baronet