Yes. One of my characters is Nathan, obviously. I'm going to say he's about 9 years old. He has two younger sisters, Sarah (7) and Julia (5). They have a mother/father family, and live with a live in nanny (also NPC)

You can have a similar family, but make it up how you want. It does not have to be 3 children, but I thought 6 main characters was a good round number. lol

Emily, parents and other people are NPC, unless we decide otherwise.

Edit: Do you want them to all be in the same family? There could be 4 children in one family. I could be Nathan and Julia. You could be blank and blank (pick your own names and ages) Whatever you think is best.