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From Rodovid EN

Lineage	Heemskerk
Sex	Male
Full name (at birth)	Gerard I van Heemskerk
Other last names	van Haarlem
Parents ♂ Symon van Haarlem [Haarlem] b. 1119

Events

child birth: ♂ Arnoud van Heemskerk [Heemskerk] d. 1290

1222 death:

Notes

Ridder, baljuw van Kennemerland, kasteelheer van Marquette

From grandparents to grandchildren