Gerhard VI Count of Oldenburg (1430–1500) Parents Helvig of Schauenburg Dietrich, Count of Oldenburg Children John V Irmgard of Oldenburg Adolph, Count of Oldenburg-Delmenhorst Anna of Oldenburg Gerhard Oldenburg Christian of Oldenburg Elisabeth of Oldenburg Adelheid von Oldenburg Dietrich Oldenburg Hedwig Oldenburg Otto Oldenburg Siblings Christian I of Denmark Maurice IV, Count of Oldenburg Adelheid of Oldenburg Partners Adelheid von Tecklenburg