Oldenburg | Gerhard Schröder | Claes Oldenburg | Gerhard Richter | House of Oldenburg | County of Oldenburg | Gerhard Müller (rower) | Gerhard Müller | Grand Duchy of Oldenburg | Gerhard von Scharnhorst | Oldenburg in Holstein | Gerhard Munthe | Oldenburg (district) | Gerhard Zucker | Gerhard | Duchy of Oldenburg | VfL Oldenburg | University of Oldenburg | Gerhard Markson | Gerhard Gentzen | Frederick Augustus II, Grand Duke of Oldenburg | Roberto Gerhard | Herman Gerhard Gade | Grand Duchy of Oldenburg State Railways | Gerhard von Rad | Gerhard V of Jülich | Gerhard Riedmann | Gerhard Präsent | Gerhard Munthe (painter) | Gerhard Maria Wagner |
Gerhard (1430–1500); when his eldest brother had become king, he was given the county of Oldenburg, and from his other brother's heirs he also inherited Delmenhorst in about 1483.