The Knights Templar provided medical care, both for their own brothers as for people from outside the Order. Taking care of medical problems started with preventing illness to enter the Order in the first place. Concealing illness on entry was considered an offence, which could lead
to expulsion. Leprosy and epilepsy are mentioned explicitely in the Rule
as illnesses to be kept out of the Order. But when sickness came up, care was provided.
"As early as 603 AD, Pope Gregory I commissioned the Ravennate Abbot Probus, who was previously Gregory's emissary at the Lombard court, to build a hospital in Jerusalem to treat and care for Christian pilgrims to the Holy Land. After that developments continued.
