 Eberhard became after 1075 a Benedictine monk in the abbey, and died there in 1078 or 1079.He was buried in the outdoor crypt that was built for the family.In the so-called Investiture Controversy conflict between the Roman Catholic church in Rome and the secular power, the pope loyal Count Burkhard von Nellenburg, the son and heir of Eberhard, conformed in 1080 all of the rights of the monastery.