Known Addington

Parents

• Mary Young
• William Leonard Addington, 2nd Viscount Sidmouth

Children

Siblings

• William Addington, 3rd Viscount Sidmouth
• unknown Addington
• Frances Sophia Addington
• Caroline Penelope Addington
• Mary Ursula Addington
• Hiley Robert Addington
• Leonard Allen Addington
• Louisa Charlotte Addington
• Charles John Addington