Ivan Robert Sydney Cosby

(1910-1987) (1910–1987)

Parents

• Emily Mabel Gubbins
• Dudley Sydney Ashworth Cosby

Children

• Richard Ashworth de Sausmarez Cosby
• Gillian Prudence Cosby

Siblings

• Dulcie Iris Violet Cosby
• Irene Mabel Alys Cosby
• Eric James Dudley Cosby
• Errold Ashworth Sydney Cosby

Partners

• Valerie de Havilland Carey