Next to St. Anne's are excavations of the Pool of Bethesda, where sacrificial sheep were washed in the Second Temple period, and where it is believed Jesus cured the crippled man (John 5:2 9).
The sheep were sacrificed in the Pool.
Jon was a beggar. Nothing more, nothing less. Nobody suspected Adrin or Jon to be anything but that, as they weren't anything but their current selves.