The rule of Turan Shah I and his son Bahman Shah was contemporary with the competition between the post-Ilkhanid competition between the Jalayerids and local powers of Fars, including the Injuids and Muzaffarids. Attempts by Muhammad Muzaffar to control Hormuz were rendered unsuccessful by Turan Shah who essentially paid the Muzaffarid ruler off in ordet to keep the independence of Hormuz intact. The kings of Hormuz, continuing to pay their tribute to the local rulers of Fars and Kerman, managed to keep themselves away from such conflicts, continuing to preserve their commercial supremacy. Control of islands like Bahrain also provided the kingdom with export items like pearls, providing an additional means of income to the rulers. A later observer, Gaspar da Cruz, describes Hormuz as such: