You definitely need to import BIP44 seed from other forks that are already using it, and then use it by yourself. You can also reach out to people who are into forking through other forums, and get an idea on it further, i'm sure it will be of great help.
It's the best way to do that, but i guess just try to talk about those bitcoin developer will much better or the majority of people are expert at this case are discussing a lot on the development section.