I am due to get married at the end of October. My fiance has a lot of friends through his hobby, but is closest with 4 in particular. 3 of which we see as couples who we've invited, and the 4th not so much, but we invited his partner so he didn't feel left out.
We have space and budget for another 10-12 evening guests. Having groups of friends rather than a hierarchy, (another 7 becomes 12, 12 becomes 20 etc!) my fiance and i agreed that we'd invite another 5-6 friends each without partners, otherwise 5-6 becomes 2-3 each.
So my fiance sends invites to several friends, including the father of a groomsman who he participates in the hobby with, independent of the son (wide age ranges at this hobby, don't ask!). He initially accepting the invitation saying him and his wife would be glad to go. After we discussed it between ourselves, we agreed to accept both and say no more of it, especially given that my fiance knew the guests wife/groomsmans mother growing up.
Later, the guest realises it was only an invite for him, not him +1, and has shouted at him over the phone, apoplectic that his wife wasn't initially invited, despite us accepting her, and blanked my fiance since.
Question is, AIBU? Is an invite for an evening for the friends only, without the wife a faux pas, or acceptable? Are we rude, or is this guy batshit crazy?
Its really getting my fiance down as he thought a lot of this guy and is worried about his relationship with the son.