Gilbert married Margaret of Scotland on 1 Aug 1235 in Berwick-on-Tweed. Margaret (daughter of William I the Lion of Scotland, King of Scotland and Ermengarde de Beaumont, Queen Consort of the Kingdom of Scotland) was born in 1193 in Haddington, East Lothian; died in 1259; was buried in Church of the Black Friars, London, England. [Group Sheet] [Family Chart]
Family/Spouse: Rhys ap Maeldon Fychan. Rhys (son of Maelgon Fychan, Lord of Cardigan Is Ayron) and died. [Group Sheet] [Family Chart]