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Hugh Percy, 1st Duke of Northumberland

His Grace
The Duke of Northumberland
KG, PC
1st Duke of Northumberland cropped.jpg
Personal details
Born c. 1714
Died 11 February 1786 (aged 71–72)
Resting place Northumberland Vault, Westminster Abbey
Nationality British
Spouse(s) Lady Elizabeth Seymour
Children

by Lady Elizabeth Seymour:
Hugh Percy, 2nd Duke of Northumberland
Algernon Percy, 1st Earl of Beverley
Lady Elizabeth Anne Frances Percy

by Elizabeth Hungerford Keate:
James Smithson
Parents Langdale Smithson

by Lady Elizabeth Seymour:
Hugh Percy, 2nd Duke of Northumberland
Algernon Percy, 1st Earl of Beverley
Lady Elizabeth Anne Frances Percy

Hugh Percy, 1st Duke of Northumberland KG, PC (c. 1714 – 6 June 1786) was an English peer, landowner, and art patron.

He was born Hugh Smithson, the son of Langdale Smithson of Langdale, Yorkshire, and grandson of Sir Hugh Smithson, 3rd Baronet from whom he inherited the Smithson Baronetcy in 1733.

He changed his surname to Percy when he married Lady Elizabeth Seymour (1716-1776), daughter of Algernon Seymour, 7th Duke of Somerset, on 16 July 1740, through a private Act of Parliament. She was Baroness Percy in her own right, and indirect heiress of the Percy family, which was one of the leading landowning families of England, and had previously held the Earldom of Northumberland for several centuries. The title Earl of Northumberland passed by special remainder to Hugh Percy, as Elizabeth's husband, when her father died, who had been created 1st Earl of Northumberland in 1749. In 1766, the earl was created 1st Duke of Northumberland and was created Baron Lovaine on 28 June 1784, with a special remainder in favour of his younger son, Algernon. The Louvain family of Brabant, which married the Percy heiress, was the origin of the Percy family of England. Richard de Percy, 5th Baron Percy (c. 1170-1244) (who adopted the surname Percy), was the son of Joscelin of Louvain (1121–1180), styled "brother of the queen" (referring to Adeliza of Louvain, second wife of King Henry I of England, by his wife Agnes de Perci, suo jure Baroness Percy, the heiress of the Percy estates in England. He was created a Knight of the Order of the Garter in 1756 and a Privy Counsellor in 1762.


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