John of Gloucester (also known as "John of Pontefract"), who was appointed Captain of Calais in 1485, and Katherine Plantagenet who married William Herbert, 2nd Earl of Pembroke in 1484.
John of Gloucester (also known as "John of Pontefract"), and Katherine Plantagenet who married William Herbert, 2nd Earl of Pembroke in 1484. John of Gloucester (also known as "John of Pontefract") was appointed Captain of Calais in 1485.