Dorothy Joan Ryder

(born 1921) (b. 1921)

Parents

• Henry Dudley Ryder
• Dorothy Marion Streatfeild

Children

• James McAfee Horton
• Edward Alan Douglas Horton
• Carol Ryder Horton

Siblings

• Maud Marion Ryder
• Edward Dorrien Dudley Ryder

Partners

• Alan Williams Horton