Bip32 bip39 bip44 https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts Although it makes use of BIP32 strategy you could even now import BIP39 seeds into Electrum wallet. Also aside from BIp32 There exists BIP44 version which some wallet use for that technology of seeds. Vault12 would be the pioneer in copyright inheritance managemen... https://livebackpage.com/story5551902/bip39-copyright-the-5-second-trick-for-bip39-mnemonic-code-converter-tool-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw