Complex sentence: Afterwards, he was ordained a subdeacon on 19 December 1812, a deacon on 3 April 1813, and a priest on 19 July 1814; all ordinations by William Gibson, Vicar Apostolic of the Northern District.
Split into simpler sentences: Afterwards, he ordained a subdeacon on 19 December 1812, a deacon on 3 April 1813, and a priest on 19 July 1814. All by William Gibson, Vicar Apostolic of the Northern District.