What Can and Cannot be Included in Prenuptial Agreements - FindLawRemember that your state has laws that govern who gets what in a divorce. With a prenup you can bypass a lot of these laws by agreeing yourselves on who will get what. While some states prohibit it, other states even allow you to decide whether you will be entitled to alimony or not. Check your state's law or with a family law attorney to clarify this issue when drafting the prenuptial agreement.
Child custody is up to the court. I suggest making arrangements with ones spouse. If ones spouse turns out to be a monster and screws one over, then one has poor judgement and gets what one deserves.
32 “Whoever acknowledges me before others, I will also acknowledge before my Father in heaven. 33 But whoever disowns me before others, I will disown before my Father in heaven.