What is the name of your state (only U.S. law)? What is the name of your state (only U.S. law)? What is the name of your state (only U.S. law)? okla. I am a only child with two sons,my father just died . His will had me and my two sons getting a third, he changed the will giving my third to a grandson of my oldest son. My youngest son has two kids that were left out also. Do i have any rights as a ony child, its not that much money involved ,if i get any thing i will end up letting the grand kids have it any way. THANK YOUWhat is the name of your state (only U.S. law)? OKLAHOMAWhat is the name of your state (only U.S. law)?