I can almost guarantee that your H and OW are not completely honest with her family. How could they? When you lay out all of the facts it sounds horrible and that would definately put a dent in the fantasy that H and OW have.
I like how you put what you are thankful for.
Me: 46 FWS: 36 Married and Divorced 4/07, Pregnant 7/07,False R 7/07 Baby Girl born 3/08 Kicked him out because OW: 7/08 5/10 He realized what he had and lost. Moved home! REMARRIED 3/14/11!!