Margaret, Duchess of Norfolk British noble (1320–1399) Parents Alice Hayles Thomas of Brotherton, 1st Earl of Norfolk Children Thomas de Mauny Anne Hastings, Countess of Pembroke Anne de Segrave Elizabeth Segrave Siblings Alice of Norfolk Edward of Norfolk John Plantagenet Partners Walter de Manny, 1st Baron Manny John Segrave, 4th Baron Segrave