Complex sentence: It became the seat of a secular barony, while a Roman Catholic bishop was installed in the episcopal see; the bishop Gilbert of Amyclae is attested in an act of September 1209, but in 1222, the bishopric was united with the metropolitan see of Lacedaemon.
Split into simpler sentences: It became the seat of a secular barony, while a Roman Catholic bishop was installed in the episcopal see. The bishop Gilbert of Amyclae is attested in an act of September 1209, but in 1222, the bishopric was united with the metropolitan see of Lacedaemon.