David Douglas, 12th Marquess of Queensberry British potter, designer, hereditary peer, aristocrat (born 1929) (1929–2026) Parents Cathleen Sabine Mann Francis Douglas, 11th Marquess of Queensberry Children Lady Beth Douglas Ambrose Carey Lord Torquil Douglas Lady Kate Douglas Sholto Douglas, Viscount Drumlanrig Lady Emma Douglas Lord Milo Douglas Alice Douglas Siblings Lady Jane Douglas Lady Patricia Sybil Douglas Lord Gawain Archibald Francis Douglas Partners Ann Jones Hsueh-Chun Liao Alexandra Sich