Martha Douglas Peerage person ID=637484 (b. 1598) Parents Margaret Dundas Sir George Douglas of Mordington Children John Lockhart Anne Lockhart of Tarbrax Robert Lockhart William Lockhart of Lee unknown daughter Lockhart George Lockhart Siblings William Kerr Andrew Kerr Isabel Kerr George Kerr Robert Carr, 1st Earl of Ancram Sir Thomas Kerr Partners Elder Sir James Lockhart of Lee