Bip39n code https://zenwriting.net/keenanctdp/how-to-create-a-bip39-seed-a-step-by-step-guide Despite the fact that it uses BIP32 process it is possible to continue to import BIP39 seeds into Electrum wallet. Also apart from BIp32 There may be BIP44 Edition which some wallet use for that era of seeds. This is effective since BIP39 is supported by numerous https://210list.com/story21310871/bip39-example-the-5-second-trick-for-bip39-compatible-wallet-https-dzen-ru-bip39-phrase-com