(Robert) Mark Edgar Williams (1913-1969) (1913–1969) Parents Margaret Peek Philip Williams Children Robert Norrie Williams Marcia Jane Williams John Philip Mackenzie Williams Siblings Joy Williams Mary Felicity Rosa Williams Rachel Prunella Peace Williams Ann Margaret Augusta Williams Jane Elizabeth Rhoda Williams Frances Honor Ruth Williams Nathaniel Roger Cunningham Williams Sir David Philip Williams, 3rd Bt. Juliet Dorothea Chassereau Williams Partners Juliet Susan Harriet Churchill