I know also another man who married a widow with several children; and when one of the girls had grown into her teens he insisted on marrying her also, having first by some means won her affections. The mother, however, was much opposed to this marriage, and finally gave up her husband entirely to her daughter; and to this very day the daughter bears children to her stepfather, living as wife in the same house with her mother!

"Tell it All": The Story of a Life's Experience in Mormonism. An Autobiography (ed. 1875)