┌── Johannes van Lierop (Date unknown - Date unknown)

   ┌── Petrus van Lierop (Mierlo, Noord-Brabant, Nederland;Sunday 05 February 1815 - Thursday 06 August 1891)

   │     └── Antonia van de Meulenhof (Date unknown - Date unknown)

Johannes van Lierop (Wednesday 12 October 1853 Mierlo, Noord-Brabant, Nederland - Date unknown)

   │                 ┌── Cornelius van Grootel(Sunday 27 October 1697 Nuenen, Nuenen-Gerwen-Nederwetten, Noord-Brabant, Nederland -
   │                 │   Friday 30 September 1791 Mierlo, Noord-Brabant, Nederland) =>

   │           ┌── Joannes van Grootel(Wednesday 15 April 1733 Nuenen, Nuenen-Gerwen-Nederwetten, Noord-Brabant, Nederland - Tuesday
   │           │   30 June 1801 Mierlo, Noord-Brabant, Nederland)

   │           │     └── Maria van Rooij(Nuenen, Nuenen-Gerwen-Nederwetten, Noord-Brabant, Nederland;Sunday 20 January 1692 - Tuesday
   │           │         02 October 1736) =>

   │     ┌── Theodorus van Grootel (Mierlo, Noord-Brabant, Nederland;Tuesday 16 July 1771 - Sunday 17 May 1846)

   │     │     │     ┌── Johannes Aert van Hoof (Date unknown - Date unknown)

   │     │     └── Anna Maria van Hoof (Mierlo, Noord-Brabant, Nederland;Thursday 22 June 1730 - Sunday 06 September 1807)

   │     │           └── Maria Johannes Petrus van Berenbroek (Date unknown - Date unknown)

   └── Theodora Maria van Grootel (Mierlo, Noord-Brabant, Nederland;Friday 28 June 1811 - Monday 16 February 1863)

         │     ┌── Henricus van Stekelenburg (Approximately 1750 - Friday 19 November 1824 Mierlo, Noord-Brabant, Nederland)

         └── Maria Hendrica van Stekelenburg (Mierlo, Noord-Brabant, Nederland;Wednesday 29 March 1775 - Sunday 04 April 1819)

               └── Anna van Brussel (Approximately 1750 - Monday 28 February 1820 Mierlo, Noord-Brabant, Nederland)