Sjoerd Pijbes Wiarda (in office 1399–1410) was the fifteenth potestaat (or elected governor) of

Friesland Friesland (, ; official fry, Fryslân ), historically and traditionally known as Frisia, is a province of the Netherlands located in the country's northern part. It is situated west of Groningen, northwest of Drenthe and Overijssel, north of ...

now a province of the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

. 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 Goutum is a village in the municipality Leeuwarden in the province of Friesland, the Netherlands. It had a population of around 2,945 in January 2017. It is still an independent village, but is surrounded by the city of Leeuwarden on all sides. Th ...

. 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 Westergoa was one of the seven sealands and one of the three that now lie within the borders of today's Dutch province of Friesland. Later it was one of the three goaen of Frisia. In the Middle Ages Westergoa most probably formed the political c ...

. Wiarda was the leader in the fight against the Count of Holland. In 1398 he was a delegate to the convention with Willem van Beijeren, Count of Holland. He was elected in 1399, succeeding

Odo Botnia Odo Botnia (died 1399) was the fourteenth potestaat (or elected governor) of Friesland, now a province in the Netherlands. Biography Odo was the son of Feicko Botnia, a nobleman of Marrum, who lived on the Botnia stins (stronghold or nobles house) ...

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

because of the religious disputes between

Schieringers and Vetkopers The Vetkopers and Schieringers ( fry, Fetkeapers en Skieringers) were two opposing Frisian factional parties from the medieval period. They were responsible for a civil war that lasted for over a century (1350–1498) and which eventually led to t ...

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