Wars doesn't always end with the death of the ruler. It all depends on, as you say, claims and other factors. Sometimes the war will end if there's no possible way the war can continue and sometimes the war will continue and the opponent will be exchanged for a new one.
I can look into it, but since it isn't a severe issue I can't really promise that any change will be done to it.
I can look into it, but since it isn't a severe issue I can't really promise that any change will be done to it.