Wilhelmus Hubertus Kerckhoffs (1868 - 1948)
Maria Cornelia Uerlings (1877 - 1953)

Cornelis Johannes Hubertus Maria Kerckhoffs

Cornelis Johannes Hubertus Maria Kerckhoffs⁽¹⁾ was born⁽²⁾ on 30 Aug 1906 in Meerssen, L.