Welcome to the family site Koster Web Site, created by Antonius Jacobus Maria Koster from Netherlands.
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My name is Antonius Jacobus Maria Koster and I created this private family site on MyHeritage to build my family tree, store photos, and share my discoveries with my relatives. There are 1363 people in my family tree. If you'd like to view my full tree or contribute to the site, you can request to become a member. Enjoy!
