Complex sentence: The original manor was owned by Edward the Confessor and then by the Abbot of Westminster, the abbey held Perton manor until AD 1162 when it was transferred to the monarch who intern gave it unto Lord William Perton.
Split into simpler sentences: The original manor was owned by Edward the Confessor and then by the Abbot of Westminster. The abbey held Perton manor until AD 1162 when it was transferred to the monarch who in turn gave it to Lord William Perton.