The elderly elder who spent a couple of years special pioneering in Central America in the '60s and had to mention it in every talk and comment.
The pioneer brother whose wife was misdiagnosed then died of cancer 10 years ago, but he has to tell the story in the car group every single day.
The 86-year-old slightly senile and very deaf pioneer sister who managed to lose her hearing aid every morning, so unless we wanted to spend the day shouting at her we'd have to stop at her apartment and help her find it.
The snooty sister who, during a time when my ex and I were barely scraping by and our car broke down, said, "Why don't you just buy another one?"