Petrus Adrianus de Ridder
| Family | Pedigree | Reports |
| Petrus Adrianus de Ridder |
| b. 1 Jan 1921 |
| d. 8 Nov 1934 |
| Johannes de Ridder |
| b. 6 Jun 1892 |
| d. 28 Apr 1968 |
| Elisabeth Antonia van Dongen |
| b. 19 Oct 1895 |
| d. 31 Jan 1958 |
| Pieter de Ridder |
| b. 20 Oct 1860 |
| d. 7 Oct 1911 |
| Maria Blijlevens |
| b. 18 Apr 1865 |
| d. 21 Mar 1935 |
| Johannes van Dongen |
| b. 27 Aug 1869 |
| d. 20 Nov 1941 |
| Goudina Cornel |
| b. 20 Dec 1869 |
| d. 19 Oct 1939 |
| Willem van Dongen |
| b. 14 Aug 1820 |
| d. |
| Antonia de Vries |
| b. |
| d. |
| Wilhelmus Cornel |
| b. 9 Feb 1835 |
| d. 17 Feb 1911 |
| Elisabeth Waas |
| b. 20 May 1835 |
| d. 2 May 1903 |
