Lady Margaret Kerr Peerage person ID=306158 Parents William Kerr, 1st Earl of Lothian Lady Anne Kerr Children Sir James Richardson of Smeaton, 5th Bt. Sir William Richardson of Smeaton, 6th Bt. Siblings Lady Mary Kerr Lady Vere Kerr Sir William Kerr Charles Kerr Lady Elizabeth Kerr Lady Henrietta Kerr Robert Kerr, 1st Marquess of Lothian Lady Anne Kerr Partners Sir James Richardson of Smeaton, 4th Bt.