this supposed , though , that siverly would remain in situ while grey rode to athlone and back , that the justiciar 's deputy ( the justiciar being presumably a-wooing in france at the moment ) would be moved by the force of grey 's argument to arrest an obviously wealthy and locally esteemed man and then submit him to the mercies of a foreign government , and that siverly would in turn meekly submit to the justiciar 's men .