Bip39 generator online https://mariobrpx591.cavandoragh.org/getting-a-bip39-phrase-in-python-a-comprehensive-tutorial Regardless that it uses BIP32 system you can still import BIP39 seeds into Electrum wallet. Also besides BIp32 There may be BIP44 Model which some wallet use for that era of seeds. Some wallets can import various seed phrases plus some only have a single standard. https://webookmarks.com/story6436953/bip39-list-github-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7