She is married to James Audley 2nd Baron Audley.
They got married before June 13, 1330.Sources 1, 2, 3
Child(ren):
Joan Mortimer, d. bet. 1337 & 1351; m. 1330 bef. 13 June, Sir JamesAudley, KG (143-6), 2nd Lord Audley. [Magna Charta Sureties]
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He [James Audley] married, 1stly, before 13 June 1330, Joan, daughter ofRoger (MORTIMER), 1st EARL of MARCH, by Joan, 1st daughter and heir ofSir Piers de Geneville (2nd but 1st surviving son and heir apparent ofGeoffrey, 1st Lord Geneville), which Earl had been his guardian. She diedbetween 1337 and 1351. [Complete Peerage I:339-40 XIV:50, (transcribed byDave Utzinger)]