Complex sentence: In the following centuries the town was invaded by a succession of medieval warring clans, including the Murcheatach Uí Briain and Richard de Cogan families; they built a series of tower houses around the area, many of which survive.
Split into simpler sentences: In the following centuries the town was invaded by a succession of medieval warring clans, including the Murcheatach Uí Briain and Richard de Cogan families. They built a series of tower houses around the area, many of which survive.