Complex sentence: Mitsuhide is rumored to have been killed by a peasant warrior with a bamboo spear by the name of Nakamura; however, there were also rumors that he was not killed, but rather started a new life as a priest called Tenkai.
Split into simpler sentences: Mitsuhide is rumored to have been killed by a peasant warrior with a bamboo spear by the name of Nakamura. However, there were also rumors that he was not killed, but rather started a new life as a priest called Tenkai.