Tintagel Castle in Cornwall is steeped in legend and mystery; said to be the birthplace of King Arthur. The castle also features in the tale of Tristan and Isolde and has a history stretching as far back as the Romans. (http://www.english-heritage.org.uk)
Rochester Castle was besieged for the third time in 1264 during the Second Barons' War (1264–1267). The castle's royal constable, Roger de Leybourne, held Rochester in support of Henry III. Rebel armies led by Simon de Montfort and Gilbert de Clare entered the city and set about trying to capture the castle. King Henry III, Simon, and Gilbert all on our ancestry family tree.