Beatrice Mortimer Peerage person ID=106961 (1319–1383) Parents Roger Mortimer, 1st Earl of March Joan de Geneville, 2nd Baroness Geneville Children Beatrice de Braose Sir John de Brewose Elizabeth de Braose Sir Thomas de Brewose Joan de Braose Peter de Braose Siblings Maud Mortimer Joan 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 Isabella Mortimer Margaret Mortimer Partners Edward of Norfolk Thomas de Brewose, 1st Lord Brewose