Moreover Ruth the Moabitess, the wife of Mahlon, have I purchased to be my wife, to raise up the name of the dead upon his inheritance, that the name of the dead be not cut off from among his brethren, and from the gate of his place: ye are witnesses this day.
Ruth the Moabitess ... have I purchased to be my wife. This connection Boaz not only might form, since Ruth had embraced the true religion, but he was under a legal necessity of forming it.