| 1. | Willem VI van Horne was born in 1324; died in 1381. Family/Spouse: Machteld van Arkel. [Group Sheet] [Family Chart]
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| 2. | Willem VII van Horne Willem married Johanna van Loon Heinsberg on 19 May 1374. Johanna (daughter of Godfried van Loon Heinsberg and Philippa van Gulik) was born about 1360; died about 1415. [Group Sheet] [Family Chart]
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| 3. | Willem VIII van Horne Family/Spouse: Jeanne de Montigny. [Group Sheet] [Family Chart]
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| 4. | Jacob I van Heurne, Graaf Family/Spouse: Johanna van Meurs. Johanna died in 1461. [Group Sheet] [Family Chart]
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