Gradius married VAN ONNA Hendrika 07 Jun 1847, Bergh, Gelderland, Netherlands or Emmerich Rheinland, Pruessen. Hendrika (daughter of VAN ONNA Hendricus and DANIELS Everdina ( )) was born 23 Sept 1820, Didam, Gelderland, Netherlands. [Group Sheet]

1. GERRITSEN Berendina Willemina (1861) was born 1861, Bergh, Gelderland, Netherlands; died 29 Dec 1916, S-Heerenburg ( Bergh), Gelderland, Netherlands.