Original sentence: On of the Andreas' first acts as bishop must have been to submit a request to the Pope asking to move the seat (Latin: cathedra) of the bishopric from Spynie to Elgin, for on April 10, 1224, the Pope sent Andreas his permission
Edited sentence: One of Andreas' first acts as bishop must have been to submit a request to the Pope asking to move the seat (Latin: cathedra) of the bishopric from Spynie to Elgin, for on April 10, 1224, the Pope sent Andreas his permission