Who married James Butler, 4th Earl of Ormond?

James Butler, 4th Earl of Ormond (23 May 1393 – 23 August 1452) was the son of James Butler, 3rd Earl of Ormond. He was called 'The White Earl', and was esteemed for his learning. He was the patron of the Irish literary work, 'The Book of the White Earl'. His career was marked by his long and bitter feud with the Talbot family.

Joan Butler (née Beauchamp), Countess of Ormond (1396 – 3 or 5 August 1430) was the first wife of James Butler, 4th Earl of Ormond, and the mother of his five children. Their principal residence was Kilkenny Castle in Ireland.