 Complete the following phrase:  In 1310 the estate was granted by the Crown to Edward Is adviser, Robert de Clifford. The Cliffords, who held the title for 229 years, lived through the wars with France and Scotland and the Wars of the Roses. Of a succession of male heirs, six were killed, one was hanged and one exiled. Only two lived beyond the age of 41 and died in bed. Thomas the eighth Lord was killed at the 