| 1. | de Pijper married Johanna Maria Trijsburg in v 1935. Johanna was born on 15 Apr 1899 in Rotterdam; died on 1 Feb 1968 in Rotterdam. [Group Sheet] [Family Chart]
|
| 2. | J.C. de Pijper J.C. married K.A. de Visser [Group Sheet] [Family Chart] |
| 3. | J.C. de Pijper |
| 4. | H.S. de Pijper H.S. married A. Grootendorst [Group Sheet] [Family Chart] |
| 5. | A.H. de Pijper |