Levirate in a sentence as a noun

Polygamy absolutely was prescribed, in very strong terms, in the form of levirate marriage:If brethren dwell together, and one of them die, and have no child, the wife of the dead shall not be married abroad unto one not of his kin; her husband's brother shall go in unto her, and take her to him to wife, and perform the duty of a husband's brother unto her.

Levirate definitions

noun

the biblical institution whereby a man must marry the widow of his childless brother in order to maintain the brother's line