Complex sentence: He was ordained at Douai at the age of forty ands ent to London in 1576 where he was arrested and martyred at Tyburn by being hanged, drawn, and quartered.
Split into simpler sentences: He was ordained at Douai at the age of forty. Sent to London in 1576, he was arrested in London and martyred at Tyburn by being hanged, drawn, and quartered.