Complex sentence: McDonnell was the eldest son of Michael Cypryan McDonnell, of Douay, France, entered as a student at Gray's Inn on May 1851, and was called to the bar in January 1855.
Split into simpler sentences: McDonnell was the eldest son of Michael Cypryan McDonnell, of Douay, France. He entered as a student at Gray's Inn on May 1851, and was called to the bar in January 1855.