Thanks ladies...here are the facts to your posts. I do appreciate it as the drama is still lingering!
1) FFIL and FMIL have been divorced for 12 years. FMIL has been re-married for 10 years. FFIL is cool with FMIL's husband as the divorce was amicable. FFIL, FMIL and FMIL's husband have all been in a similar setting before, my FI's college graduation 5 years ago. They were all fine. So the fact that FFIL just wants someone to be there b/c of FMIL's husband, isn't even an issue.
2) FI and FFIL are close. Even though his parents divorced, co-parenting existed, but of course FI and FMIL have a closer relationship b/c she raised him mainly.
3) FFIL's may have been dating "the date" for a year, but it's not a real relationship if your only see each other every 3 months, and especially since he has other "friends" in surrounding states where he lives, probably even one in the town that he lives in. Only reason why FFIL would want her there is seriously, 1)she lives in L.A. 2) someone to prance around with to feed into his insecurities.
4) We are considering the comprising option, where, you can bring her, but no sitting in the front row (back of the bus sista!) , no family pictures and no sitting at the head or family table. Well, FI knows his father best, and he already knows he won't go for that.
So in the end, we are going to stick to our guns, and if the "date" (I'm using a nice word here) is more important than his son's wedding...then what is his last option? To say he won't give us money? who cares...it's $1500, or what??????? that he actually won't go to the wedding????? If he says that, then you know what, you shouldn't come to your son's wedding if bringing a HO (sorry, I had to say it!) is more important than your son's wishes.