Descendants (male lines only): Jan (Joannes) Martens
Generation 1
1 Jan (Joannes) Martens, ∞ Ijtje (Ida Jans) Thoonen.
Children of Jan (Joannes) Martens & Ijtje (Ida Jans) Thoonen:- Maria Jans (Martens), * 1736 Beers, , Noord-Brabant, Nederland, † 1806 Beers, , Noord-Brabant, Nederland.
- Maria Martens, * 1757 Beers, , Noord-Brabant, Nederland, † 1814 Beers, , Noord-Brabant, Nederland.
- Thijs Martens (See 2).
- Johannes Jans (See 3).
- Jan Martens.
Generation 2
2 Thijs Martens (Parents: See 1), ∞ Johanna Bosmans, ∞ Anneke Jans.
Children of Thijs Martens & Anneke Jans:3 Johannes Jans (Parents: See 1), ∞ Johanna Caspers.