Complex sentence: Their ancestral home and estate was known during the Middle Ages as Plas yn y Rofft which is probably located at the place named "Cwrt" (meaning "Court") close to Esgair-Weddan.
Split into simpler sentences: Their ancestral home was known during the Middle Ages as Plas yn y Rofft. It was probably located at the place now named "Cwrt" (meaning "Court") close to Esgair-Weddan.