 Stojan was awarded a fortification (castle) which had been in the possession of a Turkish landlord named Jusuf Aga Tunić in Islam Grcki, after one of his military victories.This became the Jankovic family home and in 1675 he commissioned the building of a Serbian Orthodox Church here in the name of Saint George (Đurđevdan was slava of family of Stojan Janković).The estate was named "Kula Jankovic" and Stojan made a legal untaking that it could not be alienated either by marriage, testament or other reason to keep it in the Jankovic family.