Margaret Renée Cayley (born 1892) (1892–1975) Parents Sir George Cayley, 9th Baronet Mary Montagu-Stuart-Wortley-Mackenzie Children Monica Winifred Mary Rideout Mary Renée Rideout David Philip Jeffcock Siblings Francis Digby Edward Cayley Dorothy Frances Cayley Sir Kenelm Cayley, 10th Baronet Anne Cayley Partners Ernest Henry Rideout William Philip Jeffcock