Philip Herbert, 7th Earl of Pembroke
Philip Herbert, 7th Earl of Pembroke, 4th Earl of Montgomery KB( 1652/53 – 29 August 1683) was an English nobleman and politician who succeeded to the titles and estates of two earldoms on 8 July 1674 on the death of his brother William Herbert, 6th Earl of Pembroke.
He was a homicidal maniac and convicted murderer, who has been called" the infamous Earl of Pembroke."
Although the murder of the magistrate Sir Edmund Berry Godfrey, which sparked the Popish Plot, has never been solved, a strong body of evidence points to Pembroke as the killer.
Sidney Herbert, 16th Earl of Pembroke
Sidney Herbert, 16th Earl of Pembroke, 13th Earl of Montgomery( 9 January 1906 – 16 March 1969) was a British peer.
Reginald Herbert, 15th Earl of Pembroke
Reginald Herbert, 15th Earl of Pembroke and 12th Earl of Montgomery (8 September 1880 – 13 January 1960) was a British peer.
His parents were Sidney Herbert, 14th Earl of Pembroke and Beatrix Louisa Lambton, daughter of George Lambton, 2nd Earl of Durham.
He descends from a Russian aristocratic family, the Woronzows, through the marriage of Catherine Woronzow to George Augustus Herbert, 11th Earl of Pembroke.
Pembroke married Lady Beatrice Eleanor Paget (of the marquesses of Anglesey) on 21 January 1904 and they had four children:
Pembroke was succeeded in his titles and estates by his eldest son.
During World War II he worked at the Foreign Office, in which capacity he was the addressee of an often-reproduced humorous note sent by Sir Archibald Clark Kerr (then British Ambassador to Moscow).
Marie de St Pol
Marie de St Pol, Countess of Pembroke( c.1303–1377) was the wife of Aymer de Valence, 2nd Earl of Pembroke( c.1275-1324), and is best known as the foundress of Pembroke College, Cambridge.
William Herbert, 18th Earl of Pembroke
William Alexander Sidney Herbert, 18th Earl of Pembroke, 15th Earl of Montgomery( born 18 May 1978) is an English peer.
He became earl in 2003 following the death of his father, Henry Herbert, 17th Earl of Pembroke.
Sidney Herbert, 14th Earl of Pembroke
Sidney Herbert, 14th Earl of Pembroke, 11th Earl of Montgomery, (20 February 1853 – 30 March 1913), styled The Honourable Sidney Herbert between 1861 and 1895, was a British politician and peer.
John Boyle, 15th Earl of Cork
John Richard Boyle, 15th Earl of Cork and 15th Earl of Orrery( born 3 November 1945) is a British hereditary peer and a member of the House of Lords, where he sits as a Crossbencher.
Boyle was an officer in the Royal Navy before inheriting his titles in 2003.
Henry Herbert, 9th Earl of Pembroke
Lt.- Gen. Henry Herbert, 9th Earl of Pembroke, 6th Earl of Montgomery( 29 January 16939 January 1749) was an English peer and courtier.
He was the heir and eldest son of Thomas Herbert, 8th Earl of Pembroke( c. 1656 – 1733) and his first wife Margaret Sawyer.
He was styled Lord Herbert from birth until he inherited his father's earldoms of Pembroke and Montgomery in 1733.
Richard Marshal, 3rd Earl of Pembroke
Richard Marshal, 3rd Earl of Pembroke( 119116 April 1234), was the son of William Marshal, 1st Earl of Pembroke and brother of William Marshal, 2nd Earl of Pembroke, whom he succeeded to the Earldom of Pembroke and Lord Marshal of England upon his brother's death on 6 April 1231.
James Hay, 15th Earl of Erroll
James Hay, 15th Earl of Erroll (20 April 1726 – 3 July 1778) was a Scottish nobleman and the son of William Boyd, 4th Earl of Kilmarnock.

Question: When did Reginald Herbert, 15Th Earl Of Pembroke's father die?
Answer: 30 March 1913