| 1. | Duke of Saxony Bernhard Billung died on 9 Feb 1011. Family/Spouse: Hildegarde Von Stade. Hildegarde (daughter of Count Henry Von Stade) died on 3 Oct 1011. [Group Sheet] [Family Chart]
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| 2. | Duke of Saxony Bernhard Billung, II Bernhard married Elika Von Schweinfurt in 1020. [Group Sheet] [Family Chart]
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| 3. | Gertrude Billung Gertrude married Count of Flanders Robert, I in 1063. Robert (son of Count of Flanders Baldwin, V and Princess of France Adela Capet) was born in 1033 in , , Flanders, Belgium; died on 3 Oct 1093. [Group Sheet] [Family Chart]
Gertrude married Count of Holland Floris, I in 1050. Floris (son of Count of Holland Dirk, III) died on 28 Jun 1061. [Group Sheet] [Family Chart]
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| 4. | Gertrude, of Flanders Family/Spouse: Duke of Lorraine Thierry, II. Thierry (son of Duke of Lorraine Gerard) died on 23 Jan 1115. [Group Sheet] [Family Chart]
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| 5. | Count of Holland Dirk, V Family/Spouse: Unknown. [Group Sheet] [Family Chart]
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