Complex sentence: The Liber Albus manuscripts in Wells Cathedral library show Robert gave to the Church of St Decuman, Watchet some important property and certain rights in the chapel making St Peter's a daughter church of Watchet and became known as a chapel of ease.
Split into simpler sentences: The Liber Albus manuscripts in Wells Cathedral library show Robert gave to the Church of St Decuman, Watchet some important property and certain rights in the chapel. The church at Williton thus became very much a daughter Church of Watchet and became known as a chapel of ease.