Bip39 php https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts Though it uses BIP32 process you may even now import BIP39 seeds into Electrum wallet. Also aside from BIp32 You can find BIP44 Model which some wallet use to the era of seeds. Vault12 is the pioneer in copyright inheritance management. Watch our explainer video above, or https://socialrator.com/story11151482/bip39-history-bip39-passphrase-generator-options-https-linktr-ee-bip39