Aside from Blockchain.info, I don't think there were too many services at that time that supported seedphrase. Multibit HD did, but that should be BIP39. Maybe Electrum (not sure when they first started supporting seedphrases) but it doesn't hurt to try.
I tried Electrum and seems that they support the BIP32 (which is the case for mine) protocol. Alas, just an empty wallet after unlocking it. Nevertheless, thanks for the help!
Hey,
I was gonna try yours until I started with Omega's suggestion and that did the trick. Thanks for your input

Bingo, that one has all the words. Great find!

I did manage to recover my wallet, but apparently a big fat
Bitcoin zero awaited my return. No biggie though