John de Mowbray, 4th Baron Mowbray

Parents

• Joan of Lancaster
• John de Mowbray, 3rd Baron Mowbray

Children

• Margaret de Mowbray
• Thomas de Mowbray, 1st Duke of Norfolk
• John de Mowbray, 1st Earl of Nottingham
• Joan Mowbray
• Eleanor de Mowbray

Siblings

• Eleanor de Mowbray
• Blanche de Mowbray

Partners

• Elizabeth Segrave