Adolf IV, was a Count of Schauenburg and of Holstein, of the House of Schaumburg. Adolf was the eldest son of Adolf III of Schauenburg and Holstein by his second wife, Adelheid of Querfurt. Wikipedia
Born: 1205
Died: July 8, 1261 (age 56 years), Kiel, Germany
Great-grandparent: Adolf I of Holstein
Parents: Adolf III of Holstein
Great grandchildren: Gerhard III, Count of Holstein-Rendsburg, John III, Count of Holstein-Plön, Valdemar IV, Duke of Schleswig, and more
Grandparent: Adolf II of Holstein