Lowther, William, Sir, 1st Baronet, of Swillington (1663 -1729)
Sir William Lowther of Swillington in Yorkshire, was the eldest son of Sir William Lowther of Swillington, and Catherine Harrison. He was admitted to Gray's Inn in 1682. He was Member of Parliament for Pontefract 1701 1710 and 1715 1729. He was created a Baronet 6 January 1715. He married Annabella daughter of the 3rd Baron Maynard. On his death 6 March 1729 his eldest son succeeded as Sir William Lowther, 2nd Baronet,who died without issue 22 December 1763. His two brothers and two sisters, having also died without issue, the baronetcy became extinct and the estates were devised to their cousin, The Reverend William Lowther, who was made a baronet 22 August 1764, and whose son was created Earl of Lonsdale.