1. | Wilhelmina Jacoba Janse was born about 1840 in Rotterdam, ZH, NLD. Wilhelmina married Cornelis Nicolaas Mijnhart on 14 May 1866 in Rotterdam, ZH, NLD. Cornelis (son of Nicolaas Mijnhart and Alida van der Graaf) was born about 1843 in Rotterdam, ZH, NLD. [Group Sheet] [Family Chart]
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2. | Cornelis Nicolaas Mijnhart (1.Wilhelmina1) was born on 08 Aug 1866 in Rotterdam, ZH, NLD. |