Cosmo Alan Cuthbert Ryder

Parents

• Georgiana Emily Calcraft
• Dudley Henry Ryder

Children

Siblings

• Caroline Katharine Ryder
• Evelyn Georgiana Ryder
• Katherine Susan Ryder
• John Claud Dudley Ryder
• Charles Edward Henry Ryder
• Dudley Granville Richard Ryder
• Cyril John Ryder
• William Henry Dudley Ryder