Father: Earl Henry Percy IX of Northumberland Born: April 27, 1564 Married: Unknown Died: November 5, 1632
Mother: Princess Juliana of Oettingen-Oettingen Born: February 23, 1576 Died: 1604
Children: 1. Lady Dorothy Percy of Northumberland (b.6/20/1596) 2. Lord Henry Percy of Northumberland (b.6/20/1596) 3. Earl Algernon Percy X of Northumberland (b.1598)