Original sentence: In 1216 he captured the city and proclaimed himself Count of Toulouse, but while he was elsewhere, on 12 September 1217, the rival claimant, Raymond VI, retook the city without a fight
Edited sentence: In 1216 he captured the city and proclaimed himself Count of Toulouse, but while he was elsewhere, on 12 September 1217, the legitimate claimant, Raymond VI, retook the city without a fight