Gerlof Piers and Fokel Sybrants Bonga Family
m. Abt 1470Drag or scroll to see more of the chart.
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 | Sybrandt Doytthies Bonga (1426- ) |
 | Wilsck Idserts Douma (1430- )
|
| Gerlof Piers (1454- ) |
| Fokel Sybrants Bonga (1454-1524)
|
 | Pier Gerlofs Donia (1480-1520)  |
| Sybren Gerlofs (1482-1537) |
| Abbe Gerlofs (1485-1554) |
| Tijdt Gerlofs (1490- ) |