Adolf IV of Holstein (1205–1261)
Born 1205 CE, died 1261 CE.
Adolf IV (before 1205 – 8 July 1261) was a Count of Schauenburg (1225–1238) and of Holstein (1227–1238), of the House of Schaumburg. Adolf was the eldest son of Adolf III of Schauenburg and Holstein by his second wife, Adelheid of Querfurt.
Text from the Wikipedia article Adolf_IV_of_Holstein, licensed CC BY-SA 4.0.