If you die without a will and you do not have any children, your civil union partner will inherit all of your possessions. If you have children and you die without a will, your partner will inherit half of your possessions and the other half will be divided amongst your children.
If you die with a will, your civil union partner has the right to renounce what you leave him or her in your will and will be entitled to half of your estate if you have no children. If you have children, your partner can renounce what you leave to him or her in your will and is entitled to one-third of your estate.
Your civil union partner will also have a right to certain financial protection while your estate is being settled following your death. Your civil union partner is entitled to a portion of the assets of your estate that an Illinois court determines is reasonable to support your partner during the first nine months after you die. In addition, if you and your civil union partner have children, the court will include additional money to enable your partner to support your children for up to nine months following your death while your estate is being settled.