Katherine Stuart was an English noblewoman and Royalist supporter during the English Civil War. She had married, in secret, her first husband, George Stewart, 9th Seigneur d'Aubigny, against the wishes of both King Charles I and her parents. George commanded a regiment for the king in the opening stages of the war and was killed at the Battle of Edgehill on 23 October 1642.
Portrait by Van Dyck, circa 1638. National Gallery of Art, Washington DC
George Stewart, 9th Seigneur d'Aubigny
Lord George Stewart, 9th Seigneur d'Aubigny was an Anglo-Scottish nobleman of French descent and a third cousin of King Charles I of England. He supported that king during the Civil War as a Royalist commander and was killed, aged 24, at the Battle of Edgehill in 1642.
Younger brothers of Lord George Stewart, who also died as young men during the Civil War supporting the Royalist cause, left: Lord John Stewart (1621–1644), died aged 23 and right: Lord Bernard Stewart (1623–1645), died aged 22. Lord John Stuart and his Brother, Lord Bernard Stuart, c. 1638, by Sir Anthony van Dyck, National Gallery, London