Henri de Verdun was bishop of Liège from 1075 to 1091. He owed his election to the influence of his relative Godefroid le Bossu, duke of Lower Lorraine, with the Emperor Henry IV

He took part in the Synod of Worms

Synod of Worms

The Synod of Worms was an ecclesiastical synod convened by the Emperor Henry IV in January 1076, at Worms, Germany. It was intended to agree a condemnation of Pope Gregory VII, and Henry's success in achieving this outcome marked the beginning of the Investiture Controversy.Of the 38 German...

 1076. Pacific, though an imperial supporter in the Investiture Controversy

Investiture Controversy

The Investiture Controversy or Investiture Contest was the most significant conflict between Church and state in medieval Europe. In the 11th and 12th centuries, a series of Popes challenged the authority of European monarchies over control of appointments, or investitures, of church officials such...

, he built up his diocese by acquisitions (e.g. of Waremme

Waremme

Waremme is a Walloon municipality located in the province of Liège, in Belgium. The city is located on the River Geer , in the loessic Hesbaye region...

 in 1078, Donceel

Donceel

Donceel is a Walloon municipality located in the Belgian province of Liège. On January 1, 2006 Donceel had a total population of 2,828. The total area is 23.31 km² which gives a population density of 121 inhabitants per km²....

). Internally he operated as guardian of the Peace of God from 1081, and instituted a court system.