He also collaborated with Henry II, Holy Roman Emperor with whom relations were strained though were strengthened over time.

He returned to the Worms Cathedral to serve as its provost and received his ordination to the priesthood in 994 from Bishop Holdebold.

The Bishop of Worms wanted Heribert to be his successor though the emperor took notice of him and planned to bring him as an advisor to his court.

While returning to his homeland to Aachen with the Emperor's remains and the imperial insignia he was captured at the behest of Henry II, whom he had first opposed but later served.

Heribert died on 16 March 1021 in his archdiocese and was buried at his convent church after their transferral on 30 August 1147.

[1] Heribert contracted a fever while on a pastoral visitation and hurried back to Cologne to recover where he died within the week.