Charles St. Clair, 4th/13th Lord Sinclair

Lt.-Col. Charles St Clair, 13th Lord Sinclair (30 July 1768 – 30 September 1863) was a Scottish noble and representative peer.

Early life Charles Sinclair was born on 30 July 1768. He was the eldest son of Elizabeth ( Rutherfurd) St Clair (–1783) and Andrew St Clair of Herdmanston, de jure 12th Lord Sinclair.

His paternal grandfather was Charles St Clair, de jure 11th Lord Sinclair (a son of Dr. Matthew St Clair, who was a younger brother of John Sinclair, 23rd Lord Herdmanston). His maternal grandparents were John Rutherfurd, MP for Roxburghshire, and Eleanor ( Elliot) Rutherfurd (a daughter of the Lord Justice Clerk Sir Gilbert Elliot, 2nd Baronet, of Minto). His uncle, John Rutherfurd, was also an MP for Roxburghshire, and married Mary Ann Leslie (a daughter of Maj.-Gen. Alexander Leslie and granddaughter of Alexander Leslie, 5th Earl of Leven).

Career His claim to the Lordship of Sinclair was confirmed by the House of Lords on 25 April 1782. He was an Ensign with the Royal Scots in 1784. He was made Lieutenant of the 17th Foot in 1788. He raised an independent company in 1790, which became part of the 15th Foot.

Personal life Lord Sinclair was twice married. His first marriage was on 13 February 1802 to Mary Agnes Chisholm (d. 1814), the only daughter of James Chisholm of Chisholm. Before her death on 16 July 1814, they were the parents of:

James St Clair, 14th Lord Sinclair (1803–1880), who married Jane Little, eldest daughter of Archibald Little, of Shabden Park, in 1830.