Complex sentence: In 1284 the Shining Cliff was given to William Foun by Edmund Crouchback, Earl of Lancaster who was given the job of maintaining the boundaries between the Pendleton and Peatpits Brooks.
Split into simpler sentences: In 1284 the Shining Cliff was given to William Foun by Edmund Crouchback, Earl of Lancaster. Foun was given the job of maintaining the boundaries between the Pendleton and Peatpits Brooks.