You are a complete person, separtely broken.
You have to be the Mother or Father that you would be
You must go back to each individual person
Hold them, tell them it's going to be alright
When the trust and believe you
Know that you are trust worthy
That you are not pretending are
going to change

Then you can take that one by the hand and walk her through the tramua they were stuck in.

They don't have to understand DID. They just have to grow from the point the tramua of which they stopped growing, and another one took over.

With each one you must do this

Being the parent is going to be the hardest of all