Search results (Poorter books)

Name	Role	Event	DateYear	Place	Source
Willem Heynricssoene van Iselsteyn	Poorter	Poorterboeken	9-9-1375	Leiden	Poorter books
Willem Ponsz. van Iselsteyn	Borg	Poorterboeken	16-12-1650	Leiden	Poorter books

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