Notes:
The publication The Medieval Cult of St Petroc notes the family name “Rovel” is linked to St Petroc at St Ervan. The name may be linked to ‘Riwal’ (Trerulefoot) {<rigos> 'royal' + <wallous> 'valourous'}. Jankulak, Karen (2000). The Medieval Cult of St Petroc. Boydell Press. p. 10.