Notes:

Died:
He died unmarried within the lifetime of his father.

Other Events:

• Education: Cambridge, Cambridgeshire, England; St. John's College, Cambridge
• Hereditary Title: From 20 July 1786 to 14 Nov. 1859; 3rd Baron Grantham, of Grantham, co. Lincoln [G.B., 1761]
• Hereditary Title: From 4 May 1833 to 14 Nov. 1859; 2nd Earl de Grey of Wrest, co. Bedford [U.K., 1816]
• Hereditary Title: From 4 May 1833 to 14 Nov. 1859; 6th Baron Lucas of Crudwell, co. Wilts [E., 1663]
• Probate: 25 Jan. 1860, Principal Registry, London, Middlesex, England; Granted to the Right Honourable Anne Florence Dowager Countess Cowper of Wrest Park in the County of Bedford Widow the Daughter and Henry Vyner of Newby Hall in the County of York Esquire the Executors (Effects under £100,000)

Notes:

He assumed the surname de Grey by royal licence dated 23 June 1833.

Thomas married Lady Henrietta Frances Cole. Henrietta died on 2 July 1845. [Group Sheet] [Family Chart]

Other Events:

• Education: Cambridge, Cambridgeshire, England; Christ's College, Cambridge
• Education: Westminster, Middlesex, England; Westminster School
• Decoration: Fellow of the Society of Antiquaries (F.S.A.)
• Office: Member of Parliament (M.P.) for Christchurch
• Degree: 1757; Master of Arts (M.A.) (Cantab.)
• Office: 1761; Secretary to the Congress of Augsburg
• Office: From 1766 to 1770; Junior Lord of Trade
• Office: From 1770 to 1771; Vice-Chamberlain of the Household
• Office: 26 Feb. 1770; Privy Counsellor (P.C.)
• Hereditary Title: From 30 Sept. 1770 to 20 July 1786; 2nd Baron Grantham, of Grantham, co. Lincoln [G.B., 1761]
• Office: From 1771 to 1779; Ambassador to Madrid
• Office: From 1780 to 1782; First Lord of Trade
• Office: From 1782 to 1783; Secretary of State for Foreign Affairs
• Probate: July 1786

Notes:

Office:
Whig

"As an M.P. he was nominally a Whig, but supported the Court after 1766. As a peer he was a member of North's and of Shelburne's administrations; he afterwards supported Pitt. His rapacity in securing a pension of £2,000 p.a. when the Shelburne Ministry went out in 1783, though he was already in receipt of another pension of £3,000 p.a. for life, and had married a rich wife, was unfavourably noted." (Vicary Gibbs.)

Thomas married Lady Mary Jemima Yorke. Mary was born on 9 Feb. 1757; died on 7 Jan. 1830 in Whitehall, Westminster, Middlesex, England. [Group Sheet] [Family Chart]

Other Events:

• Hereditary Title: From 17 Aug. 1780 to 7 Jan. 1830; Baroness Grantham
• Administration: Jan. 1830

Other Events:

• Education: Cambridge, Cambridgeshire, England; Trinity College, Cambridge
• Education: Westminster, Middlesex, England; Westminster School
• Degree: 1715; Bachelor of Arts (B.A.) (Cantab.)
• Degree: 1719; Master of Arts (M.A.) (Cantab.)
• Office: From 1723 to 1730, Paris, France; Secretary of the Embassy
• Office: From 1727 to 1734; Member of Parliament (M.P.) for Thirsk
• Office: From 1730 to 1748; Envoy to Vienna
• Decoration: 26 June 1742; Knight of the Order of the Bath (K.B.)
• Office: From 1748 to 1749; Junior Lord of Trade
• Office: From 1748 to 1761; Member of Parliament (M.P.) for Christchurch
• Office: From 1749 to 1754; Master of the Wardrobe
• Decoration: 29 March 1750; Privy Counsellor (P.C.)
• Office: From March 1754 to Nov. 1755; Secretary of State for the South
• Office: From 1755 to 1760; Master of the Wardrobe
• Office: From April 1755 to Sept. 1755; Lord Justice (Regent) of the Realm
• Hereditary Title: From 7 April 1761 to 30 Sept. 1770; 1st Baron Grantham, of Grantham, co. Lincoln [G.B., 1761]
• Office: From 1765 to 1766; Joint Postmaster General
• Will: 7 June 1769
• Probate: 12 Dec. 1770

Notes:

Office:
Whig

Decoration:
He was invested at Vienna.

Office:
"He, in 1754, and in a greater degree Murray (afterwards Lord Mansfield), appear to have been the principal stay of the Newcastle Ministry, but Robinson was without Parliamentary influence, and unable to bear up against the struggle for power which ensued at that epoch. "By meer chance made Secretary of State, by meer chance brought out of it with a pension, which his family wanted and greater than he could have hoped or indeed did ask for; by meer chance made a peer. He wanted all this luck, for he was a very dull man, and from a great peculiarity of voice, gesture, diction, worse than a bad speaker, much worse than a silent man in Parliament. I should not do him justice if I did not mention (though it had no hand in his preferment) that he was a very honest and good natured man." (Lord Holland's Memoir.) "Though a good Secretary of State as far as the business of his office and that which related to foreign affairs, he was ignorant even of the language of a House of Commons controversy, and when he played the orator, which he too frequently attempted, it was so exceedingly ridiculous that those who loved and esteemed him could not always preserve a friendly composure of countenance." (Lord Waldegrave.) "He was a large, unwieldy man, and would in debate put his arms straight out, which made George Selwyn compare him to a signpost." (Colebrook, volume i, page 18.)" (Vicary Gibbs.)

Hereditary Title:
"As a peer he protested against the denial of privilege in the Wilkes case in 1763, and was a member of Rockingham's first administration, retiring with him in 1766." (Vicary Gibbs.)

Thomas married Frances Worsley on 13 July 1737 in Hovingham, Yorkshire, England. Frances (daughter of Thomas Worsley and Mary Frankland) was born in 1716; died in in Earl's Court, Kensington, Middlesex, England; was buried on 6 Nov. 1750 in Chiswick, Middlesex, England. [Group Sheet] [Family Chart]