Complex sentence: Saint Gemolo is also said to have survived his decapitation, and collecting his own head, climbed on horseback, and met his uncle, a bishop, on a small mountain before he finally died.
Split into simpler sentences: Saint Gemolo is said to have survived his decapitation and, after collecting his head, climbed on horseback. He rode to meet his uncle, a bishop, on a small mountain before he finally died.