Most of the time they are men

Half-related: I read the book "Secrets and Wives" by Sanjiv Bhattacharya several years ago. It's really good on-the-scene investigative journalism and covers the different aspects of the polygamy-side of Mormonism. He interviewed children that escaped from sick cults as well as families of "modern" polygamists who live upper-middle-class lifestyles and send their daughters to school. He also detailed the sci-fi stuff like becoming a god and running a planet. Fairly unbiased and decent book overall.

I thought of that, too, but looking at her Wikipedia article, she looks to be just a housewife with a lot of kids, though she hurt Mitt's race for Governor against Ted Kennedy by pretending to be poor while they lived off inheritance.