Franciscus Hubertus Kerckhoffs (1863 - 1918)
Maria Elisabeth Bernardina Horsmans (1866 - 1911)

Caspar Jan Hubert Kerckhoffs

Caspar Jan Hubert Kerckhoffs⁽¹⁾ was born⁽²⁾ on 4 Aug 1903 in Voerendaal, L.