Elizabeth Segrave (1338-1368) (1338–1368) Parents John Segrave, 4th Baron Segrave Margaret, Duchess of Norfolk Children Thomas de Mowbray, 1st Duke of Norfolk John de Mowbray, 1st Earl of Nottingham Margaret de Mowbray Joan Mowbray Eleanor de Mowbray Siblings Anne Hastings, Countess of Pembroke Anne de Segrave Thomas de Mauny Partners John de Mowbray, 4th Baron Mowbray