On 19 May 1312 Piers Gaveston 1st Earl Cornwall (age 28) surrendered to Aymer de Valence 2nd Earl Pembroke (age 37), John Warenne 7th Earl Surrey (age 25), Henry Percy 9th and 1st Baron Percy (age 39) and Piers Gaveston 1st Earl Cornwall (age 28) who were besieging the castle. The terms of the surrender were that Pembroke, Warenne and Percy would take Gaveston to York, where the barons would negotiate with the king.