┌── Jan Jozef Savenije (1753 Val-Meer, Limburg, België - Monday 18 November 1839 Coevorden, Drenthe, Nederland)
┌── Eustachius Savenije (1786 Val-Meer, Limburg, België - Friday 16 July 1875 Veendam, Groningen, Nederland)
│ └── Johanna Weermans(1753 Emlichheim, Grafschaft Bentheim, Niedersachsen, Deutschland - Monday 08 July 1833 Coevorden,
│   Drenthe, Nederland)
┌── Joannes Josephus Savenije(Monday 02 October 1809 Veendam, Groningen, Nederland - Friday 26 November 1880 Oude Pekela,
│   Groningen, Nederland)
│ │ ┌── Hendrik Oosterman(Approximately 1754 Heede, Niedersachsen, Deutschland - After 1829 Oude Pekela, Groningen,
│ │ │   Nederland)
│ └── Helena Hindriks Oosterman(Wednesday 12 September 1787 Bourtange, Vlagtwedde, Groningen, Nederland - Friday 21 May 1824
│   Veendam, Groningen, Nederland)
│ └── Margaretha Wegman (1758 Heede, Niedersachsen, Deutschland - After 1829 Oude Pekela, Groningen, Nederland)
│ ┌── Jan Hindriks Wilkens(1711 Heede, Niedersachsen, Deutschland - Friday 11 December 1795 Oude Pekela, Groningen,
│ │   Nederland)
=>
│ │ └── Agatha Gerrits(Approximately 1748 Sappemeer, Groningen, Nederland - Sunday 08 November 1812 Oude Pekela, Groningen,
│ │   Nederland)
│ ┌── Berent Berents(Estimated in 1712 Roswinkel, Emmen, Drenthe, Nederland - Tuesday 14 June 1763 Oude Pekela,
│ │   Groningen, Nederland)
=>
│ │ └── Temke Liefkes (Estimated in 1716 - Sunday 01 July 1770 Oude Pekela, Groningen, Nederland)
=>
└── Joanna Drenth (Oude Pekela, Groningen, Nederland;Tuesday 02 November 1779 - Tuesday 26 August 1845)
└── Tibechien Jans Diersche(1748 Dörpen, Niedersachsen, Deutschland - Tuesday 19 January 1830 Oude Pekela, Groningen,
  Nederland)
22 23 4 .
5 .