Thorold, William, Sir, 1st Baronet, of Marston (1591 -1677)
William Thorold, of Marston in Lincolnshire, was the second son of William Thorold and Frances daughter of Sir Robert Tyrwhitt, of Kettleby in the same county. He was admitted to Gray's Inn 19 August 1610. He was knighted 3 August 1617, and in 1618 succeeded his elder brother Anthony Thorold as heir male. He married Anne, daughter of John Blythe, of Stroxton, near Grantham in Lincolnshire, and was Sheriff of Lincolnshire in 1632. On 24 August 1642 he was created a Baronet. He suffered greatly for his loyalty to the King during the Civil War, paying no less than £4,160 to the sequestrators for his estate. He was Member of Parliament for Grantham 1661 1677. The Syston Park Library built up by Sir John Hayford Thorold, 10th Baronet (d. 1830), was partly sold by Sotheby, Wilkinson & Hodge 12 December 1884, and a further part in a mixed sale in the same saleroom 3 July 1899.