The first ‘Forman’ in America is an Englishman named Robert Engle Forman who arrived with his wife, Johanna Pore, in 1645. Robert and the 12 generations that follow him are well documented and undisputed – but the 4 preceding English generations are a bit in question.
All Dutch era maps of Manhattan record the names of men. I found Margrietge’s farm by geolocating the men named in her deed as neighbors. Her farm was across the road from the New York Stock Exchange.