| Generatie 2 | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2 | ♦ | Hendrik Wiersema | &3 | Anneke Wiertsema | - | 3 | ||
| Generatie 3 | ||||||||
| 4 | ♦ | Egbert Wiersema | &6 | Jantje Lubbers | ♦ | 5 | ||
| Generatie 4 | ||||||||
| 10 | ◊ | Egbert Lubbers | 18491913 |
&6 op 25 mei 1878Loppersum (Wirdum) |
18501924 | Trientje Klok | ◊ | 11 |
| Generatie 5 | ||||||||
| 20 | - | Willem Thomas Lubbers | &1 | Jantje Klaassens Houwing | ◊ | 21 | ||