Site: nolo.com
... you become divorced, it is possible that the spouse or partner could claim a statutory share of your estate ... example, if you leave $50,000 each to your spouse and two children, but there is only $90,000 in your estate ... they are not mentioned in your will, they might later be legally entitled to claim a share of your estate ... Losing an Executor
The executor of your estate is responsible for making sure your will provisions are ...