Dutch tug Jacoba Johanna built at Vlaardingen, Netherlands in 1909 according to the Dutch magazine Scheepvaart dated 31 December 1909

A list of the ships launched in 1909 reported the Dutch tug Jacoba Johanna of 15 tons built by shipyard ‘s Lands Welvaren, J.S. Figee, Vlaardingen, Netherlands for account of A. de Vries, Gorinchem, Netherlands.