4924. Isabella de Mowbray. Born ca 1396. Isabella died on 29 Sep 1452 in Gloucester Castle, Gloucestershire. Buried in Greyfriars, Gloucester.
She died a prisoner of Margaret, Countess of Shrewsbury, 2nd wife of John Talbot, Earl of Shrewsbury, and step-mother of James Berkeley's 4th wife. She was gr. dau. & coh. of Thomas Berkeley, Lord Berkeley, uncle of James, from whom the title had passed to James.3