The exact date is not known but it must have been before 24 February 1498 , since a building contract with that date describes the construction of a stone house in Trpanj for Stjepan Gradi .
Trpanj became property of the Gradi family .
The exact date is not known but it must have been before 24 February 1498 , since a building contract with that date describes the construction of a stone house in Trpanj for Gradi   .
Trpanj became property of the Gradi family .