Joan Mortimer Peerage person ID=47256 (1312–1337) Parents Joan de Geneville, 2nd Baroness Geneville Roger Mortimer, 1st Earl of March Children Roger Audley Margery Audley Joan Audley Nicholas Audley, 3rd Baron Audley Siblings Maud Mortimer Beatrice Mortimer Edmund Mortimer Geoffrey Mortimer John Mortimer Katherine Mortimer, Countess of Warwick Agnes Mortimer, Countess of Pembroke Elinor ferch Roger Mortimer Blanche Mortimer Roger Mortimer Margaret Mortimer Isabella Mortimer Partners James Audley, 2nd Baron Audley