Some historians have conjectured Afonso was trying to exploit a quarrel between order's grand master Pedro Fernández and king Ferdinand II, but it is likely that the Order's entry was part of some diplomatic agreement between the two kings.[3] Nonetheless, the donation documents explicitly name Rodrigo Álvarez as the administrator of all three Portuguese donations.[4] Although a founding knight of Santiago, Rodrigo Álvarez was known to be dissatisfied with its rules (Álvarez would resign shortly after and found his own separate Order of Mountjoy in Aragon).