Dutch tug Constance built at Rotterdam, Netherlands in 1902 according to the Dutch magazine Scheepvaart dated 31 December 1902

A list of the ships launched in 1902 reported the Dutch tug Constance of 120 hp horsepower of tons by Scheepsbouwwerf en Machinefabriek Delftshaven, Rotterdam for account of Gebr. J.&J. Roelofs, Rotterdam.