For starters, she's grafted onto a profile that reads better as a *brother* than a father!
For seconds, her birthdate is too late to allow her to be the mother of Fulk Lee's heir Thomas, yet all sources claim that he was her son.
For thirds, she was - must have been - the second, not first wife of Fulk Lee of Langley (she was his wife of record at the time of his death, and his widow on record in several subsequent primary documents).