Iancoleman bip39 github https://pixabay.com/users/51089543/ Regardless that it uses BIP32 system you can still import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 Edition which some wallet use for that generation of seeds. This can explain to you vacant balances. This is why it’s critical to verify https://postheaven.net/tiablexcen/recognizing-the-duty-of-bip39-in-copyright-budgets