┌── Mathijs Vaessen (Stein, Limburg, Nederland;1757 - Wednesday 26 January 1848) =>

               ┌── Hermanus Vaessen (Stein, Limburg, Nederland;1792 - Thursday 30 March 1848)

               │     └── Maria Elisabeth Gubbels (Stein, Limburg, Nederland;1768 - Thursday 19 April 1849) =>

         ┌── Joannes Mathijs Vaassen (Stein, Limburg, Nederland;Wednesday 21 March 1821 - Thursday 05 June 1879)

         │     │     ┌── Henricus Ceulen (Stein, Limburg, Nederland;Tuesday 18 April 1758 - Sunday 22 November 1846) =>

         │     └── Mechtildis Ceulen (Stein, Limburg, Nederland;1793 - Thursday 18 August 1853)

         │           └── Anna op den Camp (Stein, Limburg, Nederland;1761 - Friday 26 December 1834) =>

   ┌── Mathijs Vaassen (Stein, Limburg, Nederland;Monday 20 August 1855 - Sunday 19 April 1931)

   │     │           ┌── Peter Hermans (Date unknown - Date unknown)

   │     │     ┌── Joannes Wilhelmus Hermans (Stein, Limburg, Nederland;Thursday 27 February 1783 - Sunday 09 October 1853)

   │     │     │     └── Helena Borgerhof (Date unknown - Date unknown)

   │     └── Maria Mechtild Hermans (Stein, Limburg, Nederland;Friday 31 October 1817 - Monday 18 June 1900)

   │           │     ┌── Godefridus Harnas (Estimated in 1750 - Saturday 05 April 1806 Stein, Limburg, Nederland) =>

   │           └── Maria Catharina Harnas (Stein, Limburg, Nederland;1781 - Sunday 11 February 1844)

   │                 └── Elisabetha Cleuskens (Stein, Limburg, Nederland;Friday 22 November 1754 - Thursday 26 January 1815) =>

Willem Vaassen (Friday 11 March 1887 Stein, Limburg, Nederland - Date unknown)

   │                 ┌── Martinus Smeets (Stein, Limburg, Nederland;Sunday 20 May 1731 - Monday 15 November 1802) =>

   │           ┌── Jacobus Smeets (Stein, Limburg, Nederland;1773 - Saturday 15 June 1850)

   │           │     └── Anna Catharina Penris (Date unknown - Date unknown Stein, Limburg, Nederland)

   │     ┌── Jacobus Smeets (Stein, Limburg, Nederland;Tuesday 07 April 1818 - Wednesday 29 August 1894)

   │     │     │     ┌── Joannes Claessens (Approximately 1750 - Date unknown)

   │     │     └── Maria Claessen (Stein, Limburg, Nederland;1774 - Tuesday 16 January 1838)

   │     │           └── Helena Wijnen (Date unknown - Date unknown)

   └── Maria Elisabeth Smeets (Stein, Limburg, Nederland;Wednesday 21 September 1859 - Monday 11 December 1933)

         │           ┌── Nicolaus Backhuijs (Stein, Limburg, Nederland;1727 - Thursday 30 January 1806) =>

         │     ┌── Maximiliaan Backhuis (Stein, Limburg, Nederland;1774 - Wednesday 03 January 1838)

         │     │     └── Maria Catharina Buskens (Stein, Limburg, Nederland;1729 - Saturday 23 October 1802) =>

         └── Catharina Elisabeth Backhuis (Stein, Limburg, Nederland;Sunday 28 February 1830 - Friday 04 May 1883)

               │     ┌── Jan Paas (Date unknown - Date unknown)

               └── Maria Elisabeth Paas(Thursday 16 April 1789 Krawinkel, Geleen, Limburg, Nederland - Friday 25 December 1857 Stein,
                   Limburg, Nederland)

                     └── Maria Elisabeth Schols (Date unknown - Date unknown)