William Sidney, 5th Baron De L'Isle and Dudley of Penshurst

(1859-1945) (1859–1945)

Parents

• Mary Foulis
• Philip Sidney, 2nd Baron de Lisle and Dudley

Children

• Mary Sidney
• William Sidney, 1st Viscount De L'Isle

Siblings

• Mary Sophia Sidney
• Henry Sidney
• Algernon Sidney, 4th Baron De L'Isle and Dudley of Penshurst
• Philip Sidney, 3rd Baron De L'Isle and Dudley of Penshurst

Partners

• Winifred Bevan