BiographyDietrich von Oldenburg, Graf von Oldenburg, was born 1380 to Christian V. von Oldenburg (c1342-1423) and Agnes von Hohnstein-Heringen (c1360-1404) and died 14 February 1440 in Delmenhorst, Lower Saxony, Germany of unspecified causes. He married Adelheid von Oldenburg-Delmenhorst (-c1404) 1401 JL . He married Heilwig von Schleswig-Holstein (c1400-c1436) 1423 JL . Notable ancestors include Charlemagne (747-814), Alfred the Great (849-899), Henry II of England (1133-1189), William I of England (1027-1087), Hugh Capet (c940-996). Ancestors are from France, the United Kingdom, Germany, Belgium, Russia, Ukraine, the Netherlands, Hungary, Italy, the Byzantine Empire, Sweden, Belarus.
Common ancestors of Dietrich von Oldenburg (1390-1444) and Heilwig von Schleswig-Holstein (c1400-c1436)