Pieter Jozef Vliegen⁽¹⁾ was born⁽²⁾ on 21 Oct 1887 in Voerendaal, L. He married⁽³⁾ Maria Gertrudis Siepers on 20 May 1914 in Schin op Geul, L.
Maria Gertrudis Siepers⁽¹⁾ was born⁽²⁾ on 2 Jun 1892 in Schin op Geul, L. She married⁽³⁾ Pieter Jozef Vliegen on 20 May 1914 in Schin op Geul, L.