Harry Potter and the House of Black

Halloween 1981 Sirius gets Harry away from Godric's Hollow before Hagrid or anyone else could get there. He brings him to Black Manor and with the help of Grandfather Arcturus, he reunites the Family and brings Harry into the Wizarding World Black style. This Black family is different than canon in attitudes and actions. AU where Nymphadora is a year older than Harry. Grey Harry.