Ariaantje was born in 1751 and his baptism took place on July 30th, 1751 in Utrecht. Ariaantje 's father is Adrian (us) van Velze (Velsen) and his mother is Pieternella van Ewijk. He had three brothers named Pieter, Gerrit and Dirk. He was the oldest of the four children. Ariaantje is no longer alive.