Lady Isabella Sydney

Parents

• Robert Sidney, 2nd Earl of Leicester
• Dorothy Sidney, Countess of Leicester

Children

Siblings

• Henry Sydney, 1st Earl of Romney
• Robert Sydney
• Dorothy Spencer, Countess of Sunderland
• Algernon Sidney
• Philip Sidney, 3rd Earl of Leicester
• Lady Lucy Sydney

Partners

• Philip Smythe, 2nd Viscount Strangford