Complex sentence: The name Llanmorlais is not a true Llan place name: the village was previously known as Glan Morlais, which refers to the banks of the Morlais Stream.
Split into simpler sentences: The name Llanmorlais is not a true Llan place name. The village was previously known as Glan Morlais which refers to the banks of the Morlais Stream.