Text: In the 12th century, when the house consisted of little more than the pele tower, it was owned by the de Morville family (one of the more infamous members of this family, Hugh de Morville, was one of the four knights who murdered Thomas ?¡ Becket in Ceterbury Cathedral in 1170).
Entailment: Hugh de Morville helped to kill Thomas Becket at Ceterbury Cathedral.
Contradiction: The house had become a vast structure by the 12th century, and the de Morville family could not afford to buy it.