Complex sentence: Meri, Robyn, and Christine were all raised in polygamist families, also Christine's her mother left the faith but Janelle was not Months before the marriage of Janelle and Kody, however, Janelle's mother entered into a polygamist marriage with Kody's father.
Split into simpler sentences: Meri, Robyn, and Christine were all raised in polygamist families. But Janelle was not Months before the marriage of Janelle and Kody, however, Janelle's mother entered into a polygamist marriage with Kody's father.