Johan Georg Emig was born in Germany on July 13, 1715. He married Maria Elisabeth in Germany around 1735. They had two children there, the first, Johan Heinrich, was born about 1737, the second, Johan Philip was born about 1741. Johan Georg, with his wife and two young children, took the ship Christian from Rotterdam and arrived in Philadelphia on September 13, 1749. Georg Emig took the oath of allegiance upon his arrival. Most of the passengers were from the Palatine region or Rhine Valley. Georg built a grist mill on Tohickon Creek in Bucks County outside of Philadelphia. Georg passed the mill down to his son Henry when he died. Henry Emig, son of Henry who was the son of Georg, was also a miller, inherited his father's grist and saw mill on Tohickon Creek in Bucks County.