| Onstaborg | |
|---|---|
| Sauwerd, Netherlands | |
 Onstaborg | |
 <div style="position: absolute; top: Expression error: Missing operand for *.%; left: -538%; height: 0; width: 0; margin: 0; padding: 0;"> Onstaborg | |
| Type | Borg |
| Site history | |
| Built | Was known to exist as early as 1325 |
| Demolished | 1725 |
Drawing of the borg from the 17th century
19th century drawing of Onstaborg
Onstaborg was a borg in the northeast Netherland. It was located in Sauwerd, Groningen. The borg was founded in or before 1325[1] by the family Onsta (also known as Onseda, Onsitha or Onsatha). The Onsta family belonged to one of the oldest and most prominent families of the Ommelanden. The Onsta family also owned an Onstaborg in Wetsinge.
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The original article can be found at Onstaborg (Sauwerd) and the edit history here.