Complex sentence: The church itself is pre-dated by the holy well and baptistery of Sancreed, located a few hundred metres west of the church: the site was rediscovered by the vicar of Sancreed in the late nineteenth century.
Split into simpler sentences: The church itself is pre-dated by the holy well and baptistery of Sancreed, located a few hundred metres west of the church. The site was rediscovered by the vicar of Sancreed in the late nineteenth century.