Her father is listed as Edmund Mortimer possible due to the land given to her for life from h im. His wife sued for it back after his demise from Iseulda. ;James Audley , Iseulda's gra ndson when in battle called for all his close relatives present. They were Ralph Ferrerss, J Ohn Willoughby , And Bartholomew Buirghersh. All of these men tie into as descendents fo Wil liam fErrers 5 earl of derby3-4 genrations back. Iseult is a Mortimer but daughter of Hug h and his wife Agatha Ferrers daug of this William Ferrers. Dates do NOT support her to be d au of Edmund mortimer nor a daughter of Edmun'ds fatheer Roger Mortimer. Line in Record @I17244@ (RIN 18429) from GEDCOM file not recognized: _PRIMARY Y