Ancestors: Jacobus Derks
Generation 1
1 Jacobus Derks, * 1890 Overasselt, , Gelderland, Nederland, † 1967 Overasselt, , Gelderland, Nederland (Parents: See 2), ∞ 1928 Wanroij, , Noord-Brabant, Nederland Maria Hendrica Verbruggen, * 1898 Mill, , Noord-Brabant, Nederland, † 1929 Overasselt, , Gelderland, Nederland.
Generation 2
2 Gerardus Derks, * 1851 Overasselt, , Gelderland, Nederland, † 1900 Nijmegen, , Gelderland, Nederland (Parents: See 4), ∞ Barbara Elisabeth Derks (See 3).
Children of Gerardus Derks & Barbara Elisabeth Derks:- Jacobus Derks, * 1890 Overasselt, , Gelderland, Nederland, † 1967 Overasselt, , Gelderland, Nederland (See 1).
 
3 Barbara Elisabeth Derks, * 1854 Nederasselt, , Gelderland, Nederland, † 1926 Overasselt, , Gelderland, Nederland (Parents: See 6), ∞ Gerardus Derks (See 2).
Generation 3
4 Theodorus Derks, ∞ 1839 Overasselt, , Gelderland, Nederland Elisabeth Lamers (See 5).
Children of Theodorus Derks & Elisabeth Lamers:- Johanna Derks, * 1840 Overasselt, , Gelderland, Nederland, † 1902 Nederasselt, , Gelderland, Nederland.
 - Antonius Derks, * 1841 Overasselt, , Gelderland, Nederland, † 1918 .
 - Anna Derks, * 1844 Overasselt, , Gelderland, Nederland, † 1844 Overasselt, , Gelderland, Nederland.
 - Arnoldus Derks, * 1846 Overasselt, , Gelderland, Nederland.
 - Gerardus Derks, * 1851 Overasselt, , Gelderland, Nederland, † 1900 Nijmegen, , Gelderland, Nederland (See 2).
 - Anna Derks.
 
5 Elisabeth Lamers, * 1812 Overasselt, , Gelderland, Nederland (Parents: See 10), ∞ 1839 Overasselt, , Gelderland, Nederland Theodorus Derks (See 4).
6 Derk Derks, ∞ Helena Vos (See 7).
Children of Derk Derks & Helena Vos:- Barbara Elisabeth Derks, * 1854 Nederasselt, , Gelderland, Nederland, † 1926 Overasselt, , Gelderland, Nederland (See 3).
 
7 Helena Vos, ∞ Derk Derks (See 6).
Generation 4
10 Gerardus (Gerrit) Lamers, * 1768 Overasselt, , Gelderland, Nederland, † 1852 Overasselt, , Gelderland, Nederland (Parents: See 20), ∞ Anna Peters (See 11).
Children of Gerardus (Gerrit) Lamers & Anna Peters:- Elisabeth Lamers, * 1812 Overasselt, , Gelderland, Nederland (See 5).
 
11 Anna Peters, * 1770 Overasselt, , Gelderland, Nederland, † 1836 Overasselt, , Gelderland, Nederland (Parents: See 22), ∞ Gerardus (Gerrit) Lamers (See 10).
Generation 5
20 Johannes (Jean,Jan) Lamers, * 1735 Overasselt, , Gelderland, Nederland, † 1813 Overasselt, , Gelderland, Nederland, ∞ 1761 Nederasselt, , Gelderland, Nederland Elisabeth Jans(sen) (See 21).
Children of Johannes (Jean,Jan) Lamers & Elisabeth Jans(sen):- Jan (Joannes) Janssen Lamers, * 1762 Overasselt, , Gelderland, Nederland, † 1837 Overasselt, , Gelderland, Nederland.
 - Catharina Janssen Lamers, * 1763 Overasselt, , Gelderland, Nederland.
 - Petronella Jansen Lamers, * 1765 Overasselt, , Gelderland, Nederland, † 1845 Grave, , Noord-Brabant, Nederland.
 - Gosuinus Lamers, * 1767 Overasselt, , Gelderland, Nederland.
 - Gerardus (Gerrit) Lamers, * 1768 Overasselt, , Gelderland, Nederland, † 1852 Overasselt, , Gelderland, Nederland (See 10).
 - Catharina Lamers, * 1770 Overasselt, , Gelderland, Nederland, † 1861 Overasselt, , Gelderland, Nederland.
 - Johanna Lamers, * 1774 Overasselt, , Gelderland, Nederland.
 - Theodorus Lamers, * 1776 Overasselt, , Gelderland, Nederland.
 - Petrus Lamers, * 1776 Overasselt, , Gelderland, Nederland.
 - Peter Lamers, * 1777 Overasselt, , Gelderland, Nederland, † 1841 Balgoy, , Gelderland, Nederland.
 
21 Elisabeth Jans(sen), ∞ 1761 Nederasselt, , Gelderland, Nederland Johannes (Jean,Jan) Lamers (See 20).
22 Peter Janssen, ∞ Maria van den Sand (See 23).
Children of Peter Janssen & Maria van den Sand:- Anna Peters, * 1770 Overasselt, , Gelderland, Nederland, † 1836 Overasselt, , Gelderland, Nederland (See 11).
 
23 Maria van den Sand, ∞ Peter Janssen (See 22).