sentences:  In 1120, Berengar is recorded granting a donation to the Prince-Bishopric of Bamberg.He is mentioned as co-founder of Kastl Abbey about 1103 and as the founder of the Berchtesgaden monastery on behalf of his late mother in 1101/02, as well as of Baumburg Abbey about 1107/09.On 23 December 1122, he was one of the German nobles who signed the Concordat of Worms between Emperor Henry V and Pope Callixtus II.