Complex sentence: Mac Creiche (or Maccreehy, MacCrecius) of Liscannor is described by various old texts as an early Irish saint, a hermit who slew monsters and persuaded kings to submit to him through miracles.
Split into simpler sentences: Mac Creiche (or Maccreehy, MacCrecius) of Liscannor was an early Irish saint, the subject of various legends. He was a hermit, slew monsters and persuaded kings to submit to him through miracles.