Original sentence: As Casimir still was a minor in 1187, his mother Anastasia was ruling in his place until 1194 as well as, until 1189, the Swantiboride Stettin castellan Wartislaw (Wartislaw Swantiboricz or Swantiboriz) and therafter the Rugian prince Jaromar I
Edited sentence: As Casimir still was a minor in 1187, his mother Anastasia was ruling in his place until 1194 as well as, until 1189, the Swantiboride Stettin castellan Wartislaw (Wartislaw Swantiboricz or Swantiboriz) and thereafter the Rugian prince Jaromar I