English Lords A–C — https://fmg.ac/Projects/MedLands/ENGLISHNOBILITYMEDIEVAL3.htm#James...
Not in the list are Elizabeth and Hugh.
Listed children are: James; Henry; William; Joan; Nicolas
Did Cawley missed a primary source?
Hugh I de Audley Hugh Audley, 1st Lord Audley (of Stratton Audley)+2 b. c 1267, d. bt Nov 1325 - Mar 1326 was 5th son and a coheir of his mother.
See E E S Sharp and A E Stamp, 'Inquisitions Post Mortem, Edward II, File 94', in Calendar of Inquisitions Post Mortem: Volume 6, Edward II (London, 1910), pp. 406-412. British History Online http://www.british-history.ac.uk/inquis-post-mortem/vol6/pp406-412 [accessed 21 August 2023]