Jacques Donald Clerk (born 1904) (1904–1967) Parents Marie Alma David Jean Pio Robert Clerk Children Andrée Clerk Gilles Clerk Lise Clerk Denise Clerk Robert Clerk Jeannine Clerk Jacques Clerk Siblings Jean Elton Clerk Jeanne Isabella Clerk David Douglas Clerk Camille Gertrude Clerk Simone Corinne Clerk Louis Philippe Duncan Clerk