Patrick Ruthven, 1st Earl of Forth
Patrick Ruthven, 1st Earl of Forth and 1st Earl of Brentford( c. 1573 – 2 February 1651) was a Scottish nobleman, general, and diplomat.
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.
Thomas Boleyn, 1st Earl of Wiltshire
Thomas Boleyn, 1st Earl of Wiltshire, 1st Earl of Ormond, 1st Viscount Rochford( c. 1477 – 12 March 1539), of Hever Castle in Kent, was an English diplomat and politician who was the father of Anne Boleyn, Queen Consort and the second wife of King Henry VIII, and was thus the maternal grandfather of Queen Elizabeth I of England.
Robert Stewart, 1st Earl of March
Robert Stewart, 1st Earl of Lennox then 1st Earl of March( c. 152229 March 1586) was a Scottish nobleman of the family of Stewart of Darnley.
Ralph Neville, 3rd Earl of Westmorland
Ralph Neville, 3rd Earl of Westmorland( c. 1456 – 6 February 1499) was an English peer.
He was the grandfather of Ralph Neville, 4th Earl of Westmorland.
Owen Tudor
Sir Owen Tudor (1400 – 2 February 1461) was a Welsh courtier and the second husband of Catherine of Valois (1401–1437), widow of King Henry V of England.
He was the grandfather of Henry VII, founder of the Tudor dynasty.
Owen was a descendant of a prominent family from Penmynydd on the Isle of Anglesey, which traces its lineage back to Ednyfed Fychan (d. 1246), a Welsh official and seneschal to the Kingdom of Gwynedd.
Tudor's grandfather, Tudur ap Goronwy, married Margaret, daughter of Thomas ap Llywelyn ab Owain of Cardiganshire, the last male of the princely house of Deheubarth.
Margaret's elder sister married Gruffudd Fychan of Glyndyfrdwy, whose son was Owain Glyndŵr.
Owen's father, Maredudd ap Tudur, and his uncles were prominent in Owain Glyndŵr's revolt against English rule, the Glyndŵr Rising.
David Carnegie, 2nd Earl of Northesk
David Carnegie, 2nd Earl of Northesk was born the son of John Carnegie, 1st Earl of Northesk and Magdalen Haliburton before 1627.
He died on 12 December 1679.
He married Lady Jean Maule, daughter of Patrick Maule, 1st Earl of Panmure, on 19 October 1637 and had seven children:
By his third son, Patrick, he is the seventh great- grandfather of the 15th Earl of Northesk.
Thomas Pitt
Thomas" Diamond" Pitt( 5 July 1653 – 28 April 1726) of Stratford in Wiltshire and of Boconnoc in Cornwall, was an English merchant involved in trade with India who served as President of Madras and six times as a Member of Parliament.
He was the grandfather of William Pitt, 1st Earl of Chatham(" Pitt the Elder") and was great- grandfather of Pitt the Younger, both prime ministers of Great Britain.
Edmund Tudor, 1st Earl of Richmond
Edmund Tudor, 1st Earl of Richmond
(Welsh: "Edmwnd Tudur", 11 June 1430 – 3 November 1456, also known as Edmund of Hadham), was the father of King Henry VII of England and a member of the Tudor family of Penmynydd, North Wales.
Born to Owen Tudor and the dowager queen Catherine of Valois, Edmund was half-brother to Henry VI of England.
Edmund was raised for several years by Katherine de la Pole, and Henry took an interest in Edmund's upbringing, granting him a title and lands once he came of age.
Both Edmund and his brother, Jasper, were made advisers to the King as they were his remaining blood relatives.
The brothers were made the senior earls in the royal court and had influential positions in the Parliament of England.
Edmund was also granted Baynard's Castle, London and ran a successful estate.
He was married to Margaret Beaufort, Countess of Richmond and Derby, after her first marriage was annulled.
Prior to the start of the Wars of the Roses, Edmund liaised with Richard of York and supported him when the King fell ill during 1453 and 1454.
After war began in 1455, York sent Edmund to uphold the authority of the King in South Wales.
While he was there, York was overthrown by the King and in retaliation, Yorkist forces were sent to engage those of Tudor's in South Wales.
Edmund was captured at Carmarthen Castle, and died there of the bubonic plague on 3 November 1456.
George Grey, 2nd Earl of Kent
George Grey, 2nd Earl of Kent( 1454 – 25 December 1505) was the son of Edmund Grey, 1st Earl of Kent and Lady Katherine Percy.
He was the Second Earl of Kent from 1490 to 1505.

Question: Who is Edmund Tudor, 1St Earl Of Richmond's paternal grandfather?