Hadrian Gellert Grindelwald Dumbledore is born on July 9th 1927 to Lord Gellert Gunther Grindelwald and Lady Alexis Kendra Grindelwald née Dumbledore (Female Albus Dumbledore) they name him their son and heir to their families he's trained by both parents as well as his godmothers Vinda Minette Rosier & Ariana Honoria Dumbledore and his godfathers Aberforth Percival Dumbledore & Abernathy he's kidnapped by Charlus Fleamont Potter and Arcturus Black III and they keep Hadrian drugged with Liquid Imperio potions with every meal they give him the fake name Harrison Fleamont Arcturus Potter Black suddenly Potter Castle is attacked by his true parents the wards of the castle instantly shatter and then Lord Charlus Fleamont Potter Lady Dorea Potter née Black and the two heirs are hidden by Petal the Potter Family House Elf his biological parents storm the castle and they duel Charlus Fleamont and Dorea Potter née Black Gellert has the Elder Wand and he says Revelio! and they finally find their son Hadrian they hand him a purging potion to free him from the Potter Family's control then they kill the Potter Family House Elf then after killing Lord Charlus Fleamont Potter and Lady Dorea Potter née Black Gellert orders Vinda Rosier to murder the young Potter Lord James Charlus Potter then they use Protego Diabolica! to burn down Potter Castle then finally they return to Nurmengard Castle in Austria under the Fidelius Charm End of the Prologue.