He courted Agnes of Poitou on behalf of Conrad's son and successor Emperor Henry III.

Bruno laid the cornerstone of Würzburg Cathedral, and in 1042 dedicated the Abbey of St. Burchard, rebuilt by Abbot Willemund.

[1] He also accompanied Henry on his second Hungarian Campaign, during which Bruno died in an accident at Persenbeug on the Danube in the present Lower Austria.

The king was only slightly hurt but the countess, Bishop Bruno and Abbot Altmann of Ebersberg Abbey were so badly injured that they did not survive more than a few days.

[3] Bruno wrote a well-known commentary on the Psalms, to which he appended an analysis of ten Biblical hymns, consisting of extracts from the writings of the Church Fathers.