Christian Dumbledore and the Missing Piece

Voldemort has been defeated by the Golden Four. Harry Potter, Hermione Granger, Ron Weasley, and Brain Dumbledore. They all have their next generation heading to Hogwarts and its Albus Severus Potter's and Rose Weasley's first year while Chrsistian Dumbeldore and James Potter are starting their third year. Christian a...