Complex sentence: This may refer to an ancient ecclesiastical settlement, dedicated to an obscure (female) saint Eithne; the local parish church may have been dedicated to her, but is now dedicated to St Cuthbert.
Split into simpler sentences: This may refer to an ancient ecclesiastical settlement, dedicated to an obscure (female) saint Eithne. The local parish church may have been dedicated to her, but is now dedicated to St Cuthbert.