Joan de Brus
- Marriage: Sir Piers de Mauley Knight on 13 Oct 1243 in Yorkshire, England 141,814,315
- Died: Bef 13 Oct 1243, England 867
~Old Yorkshire, 1236, A marriage between Peter, son and heir of Peter de Brus and Hillary, eldest daugther of Peter de Maulay, and also a marriage between Peter, son and heir of Peter de Mauley, and Joan, the eldest daughter of the above mentioned Peter de Mauley.
~Cokayne's Complete Peerage, 2nd Edition, (Mauley), Vol. VIII, p. Joan apparently died before 1243, while her husband Piers de Mauley was still under age. 141,868
Joan married Sir Piers de Mauley Knight, son of Sir Piers de Mauley Knight and Isabel de Turnham, on 13 Oct 1243 in Yorkshire, England 141,814.,867 (Sir Piers de Mauley Knight died before 15 Jul 1279 in England.)