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You have searched for persons in records about the event birth with Willem Koolloos in the name, this gives 24 search results.

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Name	Role	Event	DateYear	Place	Source
Willem Cornelis Andreas Koolloos	Father	Birth	14-9-1902	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Child	Birth	6-11-1864	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Father	Birth	10-12-1891	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Father	Birth	1-10-1898	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Father	Birth	15-12-1893	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Father	Birth	13-5-1896	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Father	Birth	23-11-1907	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Father	Birth	3-2-1895	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Father	Birth	25-7-1888	Leiden	Civil registration births
Willem Cornelis Andreas Koolloos	Father	Birth	5-11-1890	Leiden	Civil registration births

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