| 1. Gjalt Folkerts de Jong |
 |
| B: |
Abt 1792 |
| P: |
Oudega, Smallingerland, FR, NLD |
| D: |
31 Oct 1866 |
| P: |
Smallingerland, FR, NLD |
|
| 2. Folkert Gjalts de Jong |
|
| B: |
Abt 1771 |
| P: |
|
| M: |
04 Mar 1792 |
| P: |
Oudega, Smallingerland, FR, NLD |
| D: |
14 Jan 1823 |
| P: |
Oudega, Smallingerland, FR, NLD |
|
| 4. Gjalt Folkerts de Jong |
|
| B: |
Abt 1748 |
| P: |
Eernewoude, Tietjerksteradeel, FR, NLD |
| M: |
20 Nov 1768 |
| P: |
Oudega, Smallingerland, FR, NLD |
| D: |
17 Aug 1814 |
| P: |
huis 7, Oudega, Smallingerland, FR, NLD |
|
| 8. Folkert Gjalts |
|
| B: |
|
| P: |
|
| M: |
15 Sep 1743 |
| P: |
Oudega, Smallingerland, FR, NLD |
| D: |
|
| P: |
|
|
Abt 1792 - 1866 (~ 74 years)