 FF Groen

Frédéric François Groen, heer van Waarder (1814–1882) operated a shipyard in Amsterdam (FF Groen Scheepsbouwwerft de boot), located at 111 Gr Wittenburgerstraat.He built at least two full-rigged sailing ships, the Vondel (1894) and Nicolaas Witsen (1897), but neither was sold.