I can't tell if I'm/we are the ones being unreasonable here or what,
The FMIL is trying to force us to bring her new partner to our wedding. I've never even met him and she's only known him for 3 months, which means by our wedding day she will have known him 7 months. My fiancèe has met him and he can't stand him one bit.
We have already changed the date of our wedding because of her. She decided that as my fiancees step-sister turned 18 in the month (birthday and wedding were at opposite ends of the month) we originally wanted our wedding in that she would not be able to make it to her only sons wedding (she has 2 kids in total)
She isn't contributing anything financially or even an offer of help to DIY invites or anything, to our wedding at all. She has continually moaned about it being too far away (it's only about 30 miles away) the fact that she has to get a hotel and now she wants to Invite basically a stranger to the wedding. She is the type of person who will demand he's in every family wedding photo so that when she breaks up with him in another year were stuck with a strange man in our photos. This is in addition to just adding on 6 "uncle's and aunties" the my fiancee hasn't seen for a decade (although they have been relegated to the evening). It's not as if she will be lonley, her best friend and her husband are invited to the day, so is step-sister and grandparents.
We wanted a small wedding with people we know, everybody else in our daytime list we know personally there are no +1's
We don't want him there, are we being unreasonable to say no? And if she says she won't come without him what do we do?