Peter D'Arcy Joseph Maxwell-Stuart, 20th of Traquair twentieth laird of Traquair (1922-1990) (1922–1990) Parents Francis Joseph Maxwell-Stuart, 19th of Traquair Dorothy Mary Hartley Children Catherine Maxwell Stuart, 21st Lady of Traquair Siblings Madeleine Mary Josephine Maxwell-Stuart Joan Margaret Mary Maxwell-Stuart Michael Joseph Edmund Maxwell-Stuart Partners Flora Crichton