‌Teunis Nyssen and Femmetje were married in a religious ceremony on February 11th, 1640.  They had three daughters, and also eight children of unknown gender named Marietje Teunisson, Annetje, Femmetje, Jannetje, Elsje, Jan, Dionys (Nys), Cornelius, Teunis, Joris and Jacobus.