a few ways you can give trusted people access to your data in case of death:

• Apple Legacy Contact
• Google Inactive Account Manager
• 1Password Emergency Kit

https://www.theverge.com/22812264/digital-legacy-death-estate-google-apple-how-to

making /obsidian • writing stephango.com

This is a pretty good intro to Shamir backups
https://bitcoinmagazine.com/technical/protecting-bitcoin-shamir-backup

The Apple one only takes a few seconds to set up!

thank you for posting this; this has come to my mind a few times and I've been meaning to look into it

Webacy is also in this game. www.webacy.io