Sirius fumed. He loved both children equally. Rose was the first female Potter since centuries and John was the boy-who-lived. Sirius was only furious that Harry wasn’t there to become the twin of the boy-who-lived and older brother of the first Potter girl since generations. Harry should have been grateful to have a hero of a brother and be the big brother for the first Potter girl, but no the ungrateful child had let John to live in poverty and Rose didn’t have any privileges of a proper heiress.