The law prohibits people insane or incompetent by court order to enter into marriage. The reason for a family to have a peaceful life. If you marry me, then it might be a problem.
The law prohibits people deranged or a court order is made, the reasons for marriage, family life, at peace. If a married man is crazy, then it may be a problem.
laws do not insane or the court order, it is incompetent to do so, for reasons of marriage family life peace, if he married with a madman, it may be a problem.