Gerardus Johannes Blok
Father
Gerardus Johannes Blok (16 April 1840)
Mother
Petronella Sara van Bali (24 September 1842)
Siblings
Hugo Pieter Blok (6 January 1875)
Hendrikus Richard Franciscus Blok (24 October 1880)
Hendrika Jacoba Petronella Blok (7 July 1884)
Johanna Catharina Blok (5 July 1878)
Gerarda Margaretha Blok (24 January 1889)
Children
Antje Blok (31 March 1907)