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 ...
of
Utrecht
Utrecht ( , , ) is the fourth-largest city and a municipality of the Netherlands, capital and most populous city of the province of Utrecht. It is located in the eastern corner of the Randstad conurbation, in the very centre of mainland Nethe ...
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 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 ...
in the south-east of
Drenthe
Drenthe () is a provinces of the Netherlands, 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 (province), Groningen to the north, and the G ...
, which held control over the only road through the
Bourtangerbog from Drenthe to
Germany
Germany, officially the Federal Republic of Germany (FRG),, is a country in Central Europe. It is the most populous member state of the European Union. Germany lies between the Baltic and North Sea to the north and the Alps to the sou ...
. 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, and ...
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 ...
.
1150 deaths
12th-century Roman Catholic bishops in the Holy Roman Empire
Prince-Bishops of Utrecht
Year of birth unknown
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