Sadly - one of them is wrong.
https://www.geni.com/merge/compare/6000000008630655622
Parents are different.
Review the profile “about” for Walter d'Evereux to ensure it’s still accurate, then go to the parents of “the fortunate” to see who they were.
Pam Wilson (on hiatus) Is the curator and seems to be away, but her Profile notes should direct us well.
I seem to have come to an odd predicament.
Did Robert d'Evreux - Archiduc and William d'Evreux marry the same Hawise d'Échauffour.
Robert - Archbishop of Rouen Robert, Archbishop of Rouen is father to both men.
Going up two different lines in my tree I run into what seems two different fathers but the same mother for both Walter and Judith.