Gellert Grindelwald is a Pure-Blood Wizard and was the architect of the Global Wizarding War and is considered to be one of the most powerful and dangerous Dark Wizards of all time and the great-grandfather of the Dark Lord, Hadrian Peverell. Born to Pure-Bloods, Rodrick Grindelwald and Esmeralda Grindelwald (née) Bagshot. A student of Durmstrang Institute of Magic. He was the Dark Lord of the Wizarding Alliance. He was married to Vinda Grindelwald (née) Rosier. He was the father of Haytham Grindelwald.