Hartbert

Hartbert van Bierum (died 12 November 1150) was a

bishop A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ca ...

Utrecht Utrecht ( , , ) is the List of cities in the Netherlands by province, fourth-largest city and a List of municipalities of the Netherlands, municipality of the Netherlands, capital and most populous city of the Provinces of the Netherlands, pro ...

from 1139 to 1150. Hartbert, or Heribert, in several translations, was consecrated as bishop on 24 July 1139. During his rule, a rebellion occurred in the city of

Groningen Groningen (; gos, Grunn or ) is the capital city and main municipality of Groningen province in the Netherlands. The ''capital of the north'', Groningen is the largest place as well as the economic and cultural centre of the northern part of t ...

. After the bishop had put down the rebellion, he made an agreement with the city in which the city was not allowed to build a wall around itself - an agreement which was not kept for long. The bishop loaned the

prefecture A prefecture (from the Latin ''Praefectura'') is an administrative jurisdiction traditionally governed by an appointed prefect. This can be a regional or local government subdivision in various countries, or a subdivision in certain international ...

of Groningen to his brother Ludolf, and his younger brother Leffart was given the castle of

Coevorden Coevorden (; nds-nl, Koevern) is a city and municipality in the province of Drenthe, Netherlands. During the 1998 municipal reorganisation in the province, Coevorden merged with Dalen, Sleen, Oosterhesselen and Zweeloo, retaining its name. In Augu ...

in the south-east of

Drenthe Drenthe () is a province of the Netherlands located in the northeastern part of the country. It is bordered by Overijssel to the south, Friesland to the west, Groningen to the north, and the German state of Lower Saxony to the east. As of Nov ...

, which held control over the only road through the Bourtangerbog from Drenthe to

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

. This

nepotism Nepotism is an advantage, privilege, or position that is granted to relatives and friends in an occupation or field. These fields may include but are not limited to, business, politics, academia, entertainment, sports, fitness, religion, an ...

formed the basis of the eventual loss of Drenthe for the

Bishopric of Utrecht The Bishopric of Utrecht ( nl, Sticht Utrecht) was an ecclesiastical principality of the Holy Roman Empire in the Low Countries, in the present-day Netherlands. From 1024 to 1528, as one of the prince-bishoprics of the Holy Roman Empire, it w ...

. 1150 deaths 12th-century Roman Catholic bishops in the Holy Roman Empire Prince-Bishops of Utrecht Year of birth unknown {{Netherlands-reli-bio-stub