Mia, Josh, Marc and Peter have all been best friends since you adopted them and live together in a house in Kansas but they come to visit as often as they can. Mia is 23 and a werewolf. 

Josh is 19 and a hybrid (Witch + werewolf)

Marc is 20 and a hybrid (vampire + werewolf)

Peter is 22 and a witch

Before Mia, Josh, Marc and Peter left you got Angel, Jesse, Jessica and Zander. Angel and Jesse are twins and witches. They are 10.

Angel is a hybrid (witch + vampire) and she is 7.

Zander is 8 and a werewolf.