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Dietrich 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.


Offspring of Dietrich von Oldenburg and Heilwig von Schleswig-Holstein (c1400-c1436)
Name Birth Death Joined with
Adelheid von Oldenburg-Welsburg (c1425-1496) 1425 1496 Ernst von Hohnstein (-1454)
Gebhard VI. von Mansfeld (c1429-1492)

Christian I of Denmark (1426-1481) February 1426 Oldenburg, Lower Saxony, Germany 21 May 1481 Copenhagen, Denmark Dorothea von Brandenburg (1430-1495)

Moritz von Oldenburg (1428-1464)
Gerhard VI. von Oldenburg (1430-1500) 1430 22 February 1500 Adelheid von Tecklenburg-Schwerin (1431-1477)

Common ancestors of Dietrich von Oldenburg (1390-1444) and Heilwig von Schleswig-Holstein (c1400-c1436)

  1. Elisabeth zu Mecklenburg (c1230-c1280)
  2. Gerhard I. von Holstein-Itzehoe (1232-1290)

Footnotes (including sources)

‡ General