Complex sentence: William Worcester (c.1415--c.1482), English chronicler, was a son of William of Worcester, a Bristol citizen, and is sometimes called William Botoner, his mother being a daughter of Thomas Botoner.
Split into simpler sentences: William Worcester (c.1415--c.1482), was an English chronicler. He was a son of William of Worcester, a Bristol citizen, and is sometimes called William Botoner, his mother being a daughter of Thomas Botoner.