Valdemar IV Atterdag Estridsen of Denmark, King of Denmark, was born circa 1320 to Christopher II of Denmark (1276-1332) and Eufemia von Pommern (1289-1330) and died 24 October 1375 of unspecified causes. He married Helvig von Schleswig (c1320-1374) 1340 JL . William I of England (1027-1087), Henry II of England (1133-1189), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, Rollo of Normandy (860-932)/s.
|Christopher of Denmark (1344-1363)|
|Ingeborg of Denmark (1347-1370)||1347||1370||Heinrich III. zu Mecklenburg (1337-1383)|
|Margaret I of Denmark (1353-1412)||15 March 1353 Søborg Slot, Denmark||28 October 1412 Ship in the harbor, Flensburg, Schleswig, Germany||Haakon VI of Norway (c1340-1380)|