Oldenburg | Claes Oldenburg | House of Oldenburg | County of Oldenburg | Grand Duchy of Oldenburg | Oldenburg in Holstein | Maria Amalia of Naples and Sicily | Oldenburg (district) | Duchy of Oldenburg | VfL Oldenburg | University of Oldenburg | Frederick Augustus II, Grand Duke of Oldenburg | Duchess Anna Amalia Library | Amalia Hernández | Maria Amalia of Saxony | Maria Amalia of Austria | Grand Duchy of Oldenburg State Railways | Duke Christian of Oldenburg | Duke Alexander Petrovich of Oldenburg | Catharina-Amalia | Amália Rodrigues | Amalia | Wilbrand van Oldenburg | VfB Oldenburg | Ray Oldenburg | Princess Frederica Amalia of Denmark | Oldenburg Land | Oldenburg (horse) | Oldenburg (Holstein) | Oldenburg Baby |
Adelheid and Augustus had two daughters; Amalia, who was born in 1818 an later married Prince Otto of Bavaria, the elected King of Greece, and thus became Queen consort of Greece; and Frederica, who was born in 1820 and later married Maximilian Emanuel von Washington, the son of Jakob von Washington, a distant relative of the first President of the United States George Washington.