[Zeke]

Originally Posted by stomachmonkey

My SIL, (my wifes sister) and my wife are driving this. It's their father.

BIL has the same familial connection as me. As in he has married into the family. He is my SIL's husband, not brother. The father that he wants to go fishing with is HIS father, whom he invited, along with HIS mother, to a family event for my wife and her sisters father, without even discussing it with his wife prior.

Me inviting my parents was a sarcastic response to hearing what BIL had done.

Gotcha.