Cornelis Segerse VanVoorhoudt, the progenitor of the Seger, Segers family in America, came to Beverwyck (Albany) in 1642, where he settled on a farm previously owned by Vander Douck. The farm, which was located on Castle Island, was called Welysburg.

His wife, Bregje Jacobsen, died April 1667, after 25 years as a frontier woman. She was in ill health since 1663 when they made their joint will.

The children of Cornelis and Bregje Segers, some of whom may have been born in Holland, were:

1. Cornelis - no further record
2. Claas, married, about 1650, Bregje Maryus. Claas was killed in a brawl, by Andries Herpertsen, in 1662. His widow married Jan Tyssen Goes. Claas and Bregje had four children living at the time of his death.
3. Seger, married Jannetie, daughter of Teunis Derkse Van Vechten.
4. Jennetje, married Jacob Janse Schermerhoorn
5. Neeltje, married Hans Carlese Noorman.
6. Lysbeth, married Francis Boon.