Bip39 split mnemonic http://www.video-bookmark.com/user/tucanewhmt While it takes advantage of BIP32 approach you may 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. Subscribe to our weekly mailing list and get most recent copyright https://bookmarkproduct.com/story20557349/ledger-nano-bip39-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7