In 1906 Arthur Grant Duff married Kathleen, younger daughter of General Powell Clayton, who had been U.S. Ambassador to Mexico when Grant Duff was posted there.
He was a direct descendent of William Clayton, originally from Chichester, England.
Colin Powell | William Powell | Anthony Powell | Robert Baden-Powell, 1st Baron Baden-Powell | Michael Powell | Baden Powell | Dick Powell | Clayton | Robert Baden-Powell | Eleanor Powell | Robert Powell | Enoch Powell | Monty Powell | Lewis F. Powell, Jr. | John Wesley Powell | William Powell Frith | Powell River, British Columbia | Powell and Pressburger | Lawrence Clark Powell | Jane Powell | James Powell and Sons | Buck Clayton | Powell | Olave Baden-Powell | Michael Powell (director) | Clifton Powell | Clayton, Victoria | Baden Powell (mathematician) | Lewis Powell | Lake Powell |