Cyril John Ryder (1863-1907) (1863–1907) Parents Dudley Henry Ryder Georgiana Emily Calcraft Children Dudley Claud Douglas Ryder Patience Evelyn Ryder Iris Katharine Ryder Siblings William Henry Dudley Ryder Evelyn Georgiana Ryder Dudley Granville Richard Ryder Katherine Susan Ryder Caroline Katharine Ryder John Claud Dudley Ryder Cosmo Alan Cuthbert Ryder Charles Edward Henry Ryder Partners Lady Isobel Frances Ulrica Iris Hamilton