Johannes Cornelis Janmaat
Father
Cornelis Luit Pieterse Janmaat (10 January 1880)
Mother
Maria Albers (11 November 1883)
Siblings
Frederikus Antonius Janmaat (13 June 1924)
Johanna Maria Janmaat (20 February 1917)
Cornelis Adrianus Janmaat (27 July 1910)
Johannes Cornelis Janmaat (9 October 1918)
Hendrikus Janmaat (17 September 1911)
Johanna Janmaat (28 June 1915)