People Matthew Stewart, 4th Earl of Lennox Grandfather of James VI and I, Regent of Scotland21 September 1516 – 4 September 1571 Matthew Stewart, 4th Earl of Lennox21 September 1516 – 4 September 1571Margaret Douglas8 October 1515 – 7 March 1578 Henry Stuart, Lord Darnley7 December 1545 – 10 February 1567Charles Stuart, 1st Earl of Lennox1555 – 1576 Spouses and partnersMargaret Douglas8 October 1515 – 7 March 1578ChildrenHenry Stuart, Lord Darnley7 December 1545 – 10 February 1567Charles Stuart, 1st Earl of Lennox1555 – 1576 From Wikipedia and Wikidata (public domain), updated daily.