 Complete the following phrase:  To the south of the Cheviot hills was the site of the Battle of Otterburn in 1388, and possibly to a separate bloody battle between English and Scottish forces, after which only 110 people survived, which is described in The Ballad of Chevy Chase. Note  the origin of the border skirmishes between Percy, the Earl of Northumberland, and the Scottish Earl of Douglas, may have been a hunt that strayed into Scotland and was interpreted as an invasion. Two other related battles were the Battle of Homildon Hill, fought within the Cheviots near Wooler in 1402, and the 