
| 1. | Erik 1. , Hertug af Sønderjylland was born about 1240; died in 1272. Family/Spouse: Margrethe af Røgen. [Group Sheet] [Family Chart]
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| 2. | Valdemar 4. , Hertug af Sønderjylland Family/Spouse: Unknown. [Group Sheet] [Family Chart]
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| 3. | Erik Langben af Langeland |
| 4. | Erik 2., Hertug af Sønderjylland Family/Spouse: Agnes af Holsten. [Group Sheet] [Family Chart]
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| 5. | Helvig af Holsten Helvig married Valdemar IV Atterdag in 1340 in Sønderborg. Valdemar was born in 1320; died on 24 Oct 1375 in Gurre. [Group Sheet] [Family Chart]
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| 6. | VALDEMAR III-(5.) |