Complex sentence: The oval shape of the churchyard suggest a Romano-British burial ground may have first occupied this site, supported by the presence of Datuidoc's Stone in the north aisle (originally in the porch), dating from around AD 550-600.
Split into simpler sentences: The oval shape of the churchyard suggests that a Romano-British burial ground may have first occupied this site. This conjecture is supported by the presence of Datuidoc's Stone in the north aisle (originally in the porch), dating from around AD 550-600.