Complex sentence: His mother died in 1929, three years before Delargey commenced his studies for the priesthood at Holy Cross College, Mosgiel, where his considerable academic potential was recognized and he was sent to Rome to complete his studies at the Pontifical Urbaniana University.
Split into simpler sentences: His mother died in 1929, three years before Delargey commenced his studies for the Priesthood at Holy Cross College, Mosgiel. During his studies he was recognised as having considerable academic potential and, as a result, was sent to Rome to complete his studies at the Pontifical Urbaniana University.