https://wizardsardine.com/blog/liana-announcement/
I think Liana is a self-custodial Bitcoin wallet that is not much heard of. They put emphasis on reducing loss and automated inheritance planning without degrading security.
You can define who can spend your funds after lets say 1 year of not moving the funds you have. It could me your family and/or your lawyer. If after 1 year and 3 months they too don't spend it, it can then be made to be spendable only by your family.