| Generatie 2 | ||||||||
|---|---|---|---|---|---|---|---|---|
| 2 | ♦ | Harmen van (Harry) Twillert | &2 | Audrey Kooistra | - | 3 | ||
| Generatie 3 | ||||||||
| 4 | ♦ | Harmen van Twillert | &5 | Aaltje Koelewijn | ♦ | 5 | ||
| Generatie 4 | ||||||||
| 8 | ♦ | Harmen van Twillert | &2 | Catharina Maria Nel | ♦ | 9 | ||
| Generatie 5 | ||||||||
| 16 | ♦ | Harmen van Twillert | 18471885 |
&5 op 30 augustus 1873 |
18531936 | Jannetje Koelewijn |
♦ 2&7 |
17 |