Hendrikus Ates, born circa 1876 (?).

Hendrikus was married to
Grietje Dijkstra, born circa 1880 (?).

• 1 : Hendrika Klasina Ates, born in Rotterdam on March 7, 1903, died in Oostvoorne on September 12, 1990, aged 87 years.
  Hendrika was married to Wiebren Reinouts van Haga, born in Workum on July 27, 1904, son of Jan Wybrens van Haga (apotheker te Workum) and Maria Burgij, oud-gezagvoerder ter koopvaardij, died in Oostvoorne on November 12, 1985, buried in Rotterdam-Overschie, aged 81 years.