Bip39 app https://list.ly/abregeouoh Regardless that it employs BIP32 technique you can still import BIP39 seeds into Electrum wallet. Also apart from BIp32 There may be BIP44 Model which some wallet use for that era of seeds. This will likely tell you about vacant balances. This really is why it’s vital https://bip39marco.mystrikingly.com/