Hugh Percy, 1st Duke of Northumberland
…Smithson, 3rd Baronet, from whom he inherited the Smithson Baronetcy in 1733. He changed his surname to Percy in 1749, nine years after his marriage with Lady Elizabeth Seymour (1716–1776), daughter of Algernon Seymour, 7th Duke of Somerset, on 16 July 1740, through a private act of Parliament, the Hugh Earl of Northumberland's…