Bip39 to private key https://bip39marco.mystrikingly.com/ Although it takes advantage of BIP32 process you can still import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 version which some wallet use for the generation of seeds. If A different wallet won't guidance a derivation path that the primary wallet supported, https://tealbookmarks.com/story20154483/bip39-utils-the-fact-about-bip39-word-list-github-that-no-one-is-suggesting-https-cutt-ly-uryc5rw7