Alexander Ludovic Duff Royal Navy officer (1862-1933) (1862–1933) Parents Jane Bracken Dunlop James Duff of Knockleith Children Dorothy Alexandra Duff Helen Douglas Duff Siblings Garden Llanoe Duff Jessie Margaret Duff Mabel Duff Mary Clementina Duff Rose Mary Duff Katherine Duff Charles Edmund Duff Helen Duff James Duff Duff Jane Louisa Duff Alan Colquhoun Duff John Duff Alice Duff Partners Marjorie Hill-Whitson Janet Douglas Duff
