Simplify the following text for a Grade 10 native English-speaking person.
Original: The Benedictine monastery began in 1072 near Schmallenberg on a site at the foot of the Wilzenberg mountain , by Saint Anno , Archbishop of Cologne .
Simplified: In 1072 a Benedictine monastery of Grafschaft was founded near the Wilzenberg mountain by Saint Anno II , Archbishop of Cologne .