Adolphe Johan Louis Ketelaar
- Born on June 25, 1896 in Arnhem
Parents
- Johannes Hermanus Theodorus Ketelaar (1864 - 1900), négociant en vin
- Maria Josepha Ernestine Eugénie Meeùs (1871 - )
Family
- Married on January 5, 1932, with Maria Henrika Gertruida Peek (1901 - )