 Complete the following phrase:  On 4 October 1136 a synod convened by Alfonso VII sat in Burgos and, at his request, granted an indulgence for those lent support to Belchite. Present were three archbishopsRaymond de Sauvetât, Diego Gelmírez, Paio Mendestwenty bishops, nine abbots and the Papal legate Guido Pisano. The support that qualified could be permanent or temporary membership, or a donation, and the indulgence applied everybody both lay and religious. The equating of reconquista with crusade was based on the idea of opening a route to Jerusalem through Spain and North Africa. Likewise the Confraternity of Belchite is explicitly compared to the Hospitallers and the Templars, and the indulgence to that granted for the 