"Egilbert (or Engelbert) (died 1101), called of Rothenburg, was the Archbishop of Trier from 1079 until his death. He was a partisan of the Holy Roman Emperor Henry IV during the Investiture Controversy, and was rewarded in 1100 with the dignity of Archchancellor of Gaul.
He was involved in a dispute with Henry, Duke of Lower Lorraine." - (en.wikipedia.org 14.03.2021)