Sijbrecht Roskam
| Family | Pedigree | Reports |
| Sijbrecht Roskam |
| b. 26 Jan 1874 |
| d. 17 Dec 1937 |
| Klaas Roskam |
| b. |
| d. |
| Jacoba Poppes |
| b. 10 Apr 1840 |
| d. 8 Jan 1924 |
| Hannes Cornelisz Roskam |
| b. |
| d. aft 1862 |
| Sijbregt Kater |
| b. abt 1817 |
| d. aft 1862 |
| Jan Poppes |
| b. 13 Oct 1798 |
| d. 9 Dec 1857 |
| Antje Langereis |
| b. |
| d. 23 Feb 1857 |
| Cornelis Roskam |
| b. |
| d. |
| Willempje Maatjes |
| b. |
| d. |
| Klaas Cornelis Kater |
| b. |
| d. |
| Klaasje de Boer |
| b. |
| d. |
| Ide Jansz Poppes |
| b. |
| d. 16 Jan 1802 |
| Trijntje Kruidhof |
| b. |
| d. 6 Jun 1851 |
| Jacob Cornelisz Langereis |
| b. |
| d. 12 Feb 1803 |
| Geertje Oud |
| b. abt 1773 |
| d. 18 Sep 1825 |
