Margaret Beaufort, Countess of Devon

English noble (1409–1449)

Parents

• John Beaufort, 1st Earl of Somerset
• Margaret Beaufort, Countess of Somerset

Children

• John Courtenay, 15th Earl of Devon
• Agnes Courtenay
• Elizabeth Courtenay
• Henry Courtenay
• Thomas Courtenay, 14th Earl of Devon
• Joan Courtenay

Siblings

• Joan Beaufort
• Henry Beaufort, 2nd Earl of Somerset
• Thomas Beaufort, Count of Perche
• Edmund Beaufort, 2nd Duke of Somerset
• John Beaufort, 1st Duke of Somerset

Partners

• Thomas de Courtenay, 13th Earl of Devon