Joseph Willem Leonard Mertens⁽¹⁾ was born⁽²⁾ on 1 Jan 1897 in Ubach over Worms, L. He married⁽³⁾ Maria Hubertina Eijssen on 22 Nov 1927 in Schimmert, L. Joseph was employed⁽⁴⁾ as landbouwer.
Maria Hubertina Eijssen
Maria Hubertina Eijssen⁽¹⁾ was born⁽²⁾ on 8 Oct 1897 in Schimmert, L. She married⁽³⁾ Joseph Willem Leonard Mertens on 22 Nov 1927 in Schimmert, L.