Joannes married Cornelia Hendrik Adriaen Ackermans on 18 Jan 1688 in Oosterhout. Cornelia (daughter of Henricus Adriaen Joachim Ackermans and Maria Floren) was born on 1 Jul 1668 in Oosterhout, Noord-Brabant, Netherlands; died in Abt. 1713 in Oosterhout, Noord-Brabant, Netherlands. [Group Sheet] [Family Chart]

1. Sijmon Backx was born on 30 April 1689 in Oosterhout.
2. Hendrika Backx was born on 20 March 1691 in Oosterhout.
3. Petrus Backx was born on 8 March 1693 in Oosterhout.
4. Cornelis Backx was born on 17 June 1695 in Oosterhout.
5. Joannes Jansen Wouters Simons Backx was born on 23 Jun 1697 in Oosterhout, Noord-Brabant, Netherlands; died on 11 Mar 1781 in Oosterhout, Noord-Brabant, Nederland.
6. Florentinus Backx was born on 26 April 1699 in Oosterhout.
7. Cornelia Backx was born on 21 June 1701 in Oosterhout.
8. Wouter Backx was born on 24 August 1702 in Oosterhout; died on 23 October 1759 in Oosterhout.
9. Cornelia Backx was born on 29 August 1704 in Oosterhout.
10. Waltera Backx was born on 27 March 1707 in Oosterhout.
11. Ida Backx was born on 30 May 1710 in Oosterhout; died on 10 Feb 1745 in Breda.
12. Sijmon Backx was born on 29 November 1712.

Wouter married Cornelia Peeters van Beeck on 18 November 1663 in Oosterhout, Noord-Brabant, Nederland. Cornelia (daughter of Peeter Janssen van Beeck and Lynke Grietje Cornelis Ariens Ansems) was born in Abt. 1631; died in 1695 in Oosterhout, Noord-Brabant, Nederland. [Group Sheet] [Family Chart]

Sijmon married Catharina Adiaensen Rijmenam van Huijssen in Abt. 1635. Catharina was born in Abt. 1615; died on 12 März 1695 in Oosterhout, Noord-Brabant, Nederland. [Group Sheet] [Family Chart]

Peeter married Lynke Grietje Cornelis Ariens Ansems. Lynke was born in Abt. 1600 in Dongen, Noord-Brabant, Netherlands; died on 24 Mar 1665 in Dongen, Noord-Brabant, Netherlands. [Group Sheet] [Family Chart]

Wouter married Wilhelmina Clavmans. Wilhelmina was born in Abt. 1585. [Group Sheet] [Family Chart]