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

Emile Josephus René Marie Kerckhoffs

Emile Josephus René Marie Kerckhoffs⁽¹⁾ was born⁽²⁾ on 1 Jan 1905 in Meerssen, L.