Sjoerd Pijbes Wiarda (in office 1399–1410) was the fifteenth potestaat (or elected governor) of Friesland now a province of the Netherlands. Sjoerd Wiarda born in 1355 and died in 1410. He was the son of Pybe Wyarda and Claer van Eminga. He lived on Wiarda estate at Goutum. He was the last potestaat to rule both

Oostergo Eastergoa (also Ostergau, Ostergo, or Oostergo) was one of the seven areas and one of the three '' Gaue'' within what is today the province of Friesland in the Netherlands. Area On its west side Eastergoa was bordered by the Middelsee with ...

and Westergo. Wiarda was the leader in the fight against the

Count of Holland The counts of Holland ruled over the County of Holland in the Low Countries between the 10th and the 16th century. House of Holland The first count of Holland, Dirk I, was the son or foster-son of Gerolf, Count in Frisia (Dijkstra suggests th ...

. In 1398 he was a delegate to the convention with Willem van Beijeren, Count of Holland. He was elected in 1399, succeeding Odo Botnia as potestaat. In 1400 he fought as a Schieringer in the Battle of Dokkum and Camminghastins.

Succession

In 1400 there were several potestaats chosen for

and Westergo because of the religious disputes between Schieringers and Vetkopers.

Haring Haringsma Haring Harinxma (1323–1404) was a powerful Frisian chieftain and Schieringer who lived during the 13th and early 14th centuries. Haring also used the surname Donia, and is considered the patriarch of this well known Frisian family. Another titl ...

or Haring thoe Heeg, forefather of the Harinxma family, was elected for Westergo. https://www.europeana.eu/portal/ca/record/90402/RP_P_1905_5753.html?q=what%3A%22Wiarda%2C+Sjoerd%22#dcId=1545801319640&p=1 Illustration in the Rijksmuseum

References

{{DEFAULTSORT:Wiarda, Sjoerd Potestaats of Friesland 1355 births 1410 deaths