Original sentence: In 999, the “province” of Gera was assigned to the the Quedlinburg Abbey, whose abbots assigned the protectorship of this area in 1209 to the Vogts of Weida (in German: Vögte von Weida) who served as its administrators
Edited sentence: In 999, the “province” of Gera was assigned to the Quedlinburg Abbey, whose abbots assigned the protectorship of this area in 1209 to the Vogts of Weida (in German: Vögte von Weida) who served as its administrators