| Family Tree Collection | Main index A-Z | Total index | Names | Index places | Hakker | 
| Family page | 
| Johannes Siemons
 to: Maria Francisca in 't Groen | 
| 1) Petronella Maria Siemons, birth 10 Jun 1912 Den Haag, died after 1994
 to: Barend Hakker, birth 21 Oct 1892 Den Haag, died 1 May 1968 Den Haag, crem. 6 May 1968 Loosduinen (Den Haag), son of Andre Jacob Hakker and Rebecca Jonas Schuijer |