https://www.geni.com/people/Robert-d-Esneval/6000000000752036538?through=6000000000752120431
This page ahows the same person as Robert's father and his son, as proved by hovering over each name. This is only one of many problems with this lneage. I ran up the ladder from him and then back down, but got different results, including a confusion between two men named Amaury, but it's too complicated to report her.