Engelbert of Altena-Isenberg

Engelbert of Altena-Isenberg (1198 – 1250) was appointed Propst at St. George's Church in Cologne around 1220 and then Dompropst von Osnabrück in 1222.

[1] On September 4, 1223 Engelbertus, Osnabrugensis ecclesie maior prepositus he became Engelbert I bishop of the Prince-Bishopric of Osnabrück.

The episcopal and capitular possessions grew in time, and its prince-bishops exercised an extensive civil jurisdiction within the territory covered by their rights of Imperial immunity.

It should not be confused with the Diocese of Osnabrück, which was larger and over which the prince-bishop exercised only the spiritual authority of an ordinary bishop.

Brother Count Frederik of Altena-Isenberg was involved on 27 November 1225 in Gevelsberg in the death of their uncle Engelbert II of Berg, Archbishop of the Electorate of Cologne.

[8] Engelbert also appears that year with his other brothers as witnesses in the charter of 17 July 1242 of the fief transfer of the Limburg castle on the Lenne.

A few years before his death, Engelbert acted as adviser to his cousin Dietrich's peace treaty with the Count of Mark.