maybe there's nothing to do and if some years have passed the price of your hold is great, but it's best to put all your wallet info just as soon as your family finds it or you can tell them if you go procedure how to make money for not being able to work
So your family must know all the informations needed to access your account. If not, it will be lost forever unless there is a great hacker who can access your account. It is best to be transparent to your love ones.