Inheritance determine who has the legal right of claim to your property after you are gone.it has to be legal right to claim your bitcoin wallet after you die. The Arrangements you've made in your Will while you are still alive to legally leave your property to whomever you like.
Even if you didn't have a Will of statement it will automatically inherit your property to your family, if you're a single or childless person, it will go on to your parents and if you have, it will automatically be a part of your children, in equal share.
But the problem is Bitcoin to be inherited will surely have a problem in the future if you will be lost the key, which is the only one how to access your Bitcoin.
Regarding this matter, the solution is to have always a safe metal vault to store your important credentials documents where you and your family only know. You keep it there the private key of your Bitcoin wallet address and write it down into a piece of paper to explain how to access your wallet.
Or, hire a trusted lawyer about this matter.