Family Gezin F549Jan Klerks (1782–1852)Adriana van Helvoort (–1862)KinderenJoanna Maria Klerks (1821–1867)Adrianus Klerks (1825–1873)Lambertus Klerks (1830–1896)EventsINDI: 10 JAN 1816 — Heesch