Descendants (female lines only): Helena Vos
Generation 1
1 Helena Vos, ∞ Derk Derks.
Children of Helena Vos & Derk Derks:- Barbara Elisabeth Derks, * 1854 Nederasselt, , Gelderland, Nederland, † 1926 Overasselt, , Gelderland, Nederland (See 2).
Generation 2
2 Barbara Elisabeth Derks, * 1854 Nederasselt, , Gelderland, Nederland, † 1926 Overasselt, , Gelderland, Nederland (Parents: See 1), ∞ Gerardus Derks, * 1851 Overasselt, , Gelderland, Nederland, † 1900 Nijmegen, , Gelderland, Nederland.
Children of Barbara Elisabeth Derks & Gerardus Derks:- Jacobus Derks, * 1890 Overasselt, , Gelderland, Nederland, † 1967 Overasselt, , Gelderland, Nederland.