Antecedentia - Genealogy in the Netherlands

Antecedentia - Genealogy in the Netherlands John Boeren is a genealogy professional in the Netherlands. Website: https://www.antecedentia.com

He is a member of the Association of Professional Genealogists and the Register of Qualified Genealogists, and a graduate of the University of Strathclyde.

We’ve got a few tickets left. So be quick. Will I see you in Birmingham next week?
15/04/2026

We’ve got a few tickets left. So be quick. Will I see you in Birmingham next week?

Last chance to join us! The RQG conference is on 25 April — but ticket sales close THIS FRIDAY at midnight (17 April). Don’t miss out. Register now!
https://www.qualifiedgenealogists.org/2026-conference

Thanks to The New York Genealogical & Biographical Society staff for the warm welcome!
10/04/2026

Thanks to The New York Genealogical & Biographical Society staff for the warm welcome!

Genealogy is a unique profession. And when you have this view from your office, it makes the work even more special.
10/04/2026

Genealogy is a unique profession. And when you have this view from your office, it makes the work even more special.

My genealogical Alma Mater. Thanks for sponsoring the Register of Qualified Genealogists 2026 Conference. A great opport...
25/03/2026

My genealogical Alma Mater. Thanks for sponsoring the Register of Qualified Genealogists 2026 Conference. A great opportunity to learn, share experiences and meet fellow genealogists.

We present another conference sponsor: the University of Strathclyde Centre for Lifelong Learning. If you want to know more about them, have a look at https://www.strath.ac.uk/studywithus/centreforlifelonglearning/genealogy/.
Tickets for our conference are still available at https://qualifiedgenealogists.org/2026-conference!

Very much looking forward to meet “old and new” friends in Birmingham. Great speakers, great workshop. Ask me if you’re ...
15/03/2026

Very much looking forward to meet “old and new” friends in Birmingham. Great speakers, great workshop. Ask me if you’re interested.

In six weeks, the big day will be here: we’ll be welcoming all our members and non-members to Birmingham. If you’d like to join us, sign up soon. The early bird rate is only available through March 31! https://www.qualifiedgenealogists.org/2026-conference

This week, I had the opportunity to participate in the The New York Genealogical & Biographical Society - NYG&B Empire S...
12/03/2026

This week, I had the opportunity to participate in the The New York Genealogical & Biographical Society - NYG&B Empire State Exploration, which focused on research into New Netherland.

It was very intensive: I gave a presentation (one of four) and participated as an 'expert' in fourteen consultation sessions. Beforehand, I wasn't sure what to expect and whether I would be able to give the participants sufficient advice. But now, after those three days, I am glad I was able to participate. Many registrants were very happy with all the knowledge they gained about research on ancestors from New Netherland and the Dutch Republic.

If you ever have the opportunity to participate in a program like this, I can highly recommend it. You learn a lot and make great contacts.

Looking forward to the conference and especially to this workshop!
16/02/2026

Looking forward to the conference and especially to this workshop!

At the RQG Conference, Birmingham – 25 April 2026, join our workshop on how to write a genealogical article for a journal or magazine. From shaping your argument to meeting editorial standards — get your research into print.

Looking forward to talking about Dutch records (again)!
12/02/2026

Looking forward to talking about Dutch records (again)!

11/02/2026

February is and we will be highlighting stories of Black people from 17th century New Netherland to help tell .

In 1657, a “tall, quick fellow” named Andries was purchased by Jan Baptist van Rensselaer for a price of 50 beaver pelts. This is the first time the Van Rensselaer family is known to have privately purchased an enslaved person, though as patroons, they were entitled to the service of people enslaved by the Dutch West India Company under certain conditions, and likely relied on enslaved people’s labor to help build some of their colony’s infrastructure.

Andries had been enslaved in Curacao for about a decade before being brought to New Netherland by the family of Lucas Rodenburg. Jan Baptist and his brother Jeremias realized that Andries had excellent skills when it came to horses; “[Andries] has this winter taken care of the horses alone and has done it so well that during my time the horses have never looked so fine[.]” They also found that Andries could be stubborn, and they sometimes argued or punished him for not cooperating with their orders.

Jan Baptist returned to Holland, leaving his brother Jeremias with instructions to sell Andries. Before a transaction could take place, Jan Baptist changed his mind and wrote to Jeremias ordering him to send Andries to Holland instead. He had just purchased a horse suffering from worms and could think of no one better than Andries to care for the animal.

Jeremias refused, “[It] would be nothing but foolishness to try to have him serve you in a free country, as he would be too proud to do that”. He knew that Andries was stubborn and clever enough that if they sent him to Holland- where he could not legally be enslaved- he would leave and never return to their service. The brothers negotiated a price and Jeremias sent Jan Baptiste 54 beavers to buy Andries for himself.

Little is known about Andries’ life after that, but a tailor’s receipt shows that he was still a part of the Van Rensselaer household two decades later, in 1670; in all likelihood he was still enslaved by Jeremias’ widow, Maria.

🖼 Groom and Horse before Welbeck Abbey, by Lucas Vorsterman II, c. 1657

I will be attending this conference in Birmingham (UK) this April. Looking forward to meeting fellow qualified genealogi...
07/02/2026

I will be attending this conference in Birmingham (UK) this April. Looking forward to meeting fellow qualified genealogists to exchange experiences and learn from the best!

Discover new insights and future trends in and talk to qualified genealogists at the RQG 2026 Conference in Birmingham, UK — open to everyone eager to explore and connect with leading experts. More information: https://www.qualifiedgenealogists.org/2026-conference

I am looking forward to participating in this adventure. I had the privilege to be the guide for the 2024 heritage trip ...
07/02/2026

I am looking forward to participating in this adventure. I had the privilege to be the guide for the 2024 heritage trip and I enjoyed every minute of it. The New York Genealogical & Biographical Society - NYG&B and I have been working on the itinerary for the new trip and it promises to be amazing.
If you have ancestors from the Netherlands - either from the 17th or 19th century - and you want to visit your ancestral home country, then sign up for this excellent event!

Get your passport ready and join the NYG&B on an exclusive guided tour of the Netherlands, August 30–September 5, 2026, as part of our Heritage Tours program. This tour will also be led by John Boeren, who has joined our New Netherland Settlers initiative.

Got questions? Join us for a free online webinar on February 3, 2026, 5:30–6:00 p.m. ET, to learn more about the highlights of the trip as well as key itinerary details and logistics. This is a free event, but registration is required: https://www.newyorkfamilyhistory.org/events/what-you-need-know-about-nygbs-netherlands-heritage-tour

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