Robert Ryder (1882-1917) (1882–1917) Parents Susan Dent Henry Ryder, 4th Earl of Harrowby Children Rosemary Ryder Geoffrey Ryder Siblings John Ryder, 5th Earl of Harrowby Edward Ryder Lady Angela Ryder Lady Constance Ryder Lady Margaret Ryder Lady Adelaide Ryder Archibald Ryder Partners Beryl Angas