Complex sentence: Giles Corey was born in Northampton, England, before 16 August 1611, the date on which he was baptized in the Church of the Holy Sepulchre, which was one of the few Norman round churches in Britain.
Split into simpler sentences: Giles Corey was born in Northampton, England, before 16 August 1611, the date on which he was baptized in the Church of the Holy Sepulchre. Northampton was one of the few Norman round churches in Britain.