That's what I had to do here. Re-create my sims apart from Joanna Roame, she was saved in my saved sims, but the kids won't at all look the same and Perry may look similar, i'm not sure. But here they are now.. new looks and all.
I set this up and thought it looked adorable :')
Perry Roame
Joanna Roame (Legacy Founder)
Kasey Roame
Arthur Roame