I am researching the progenitor of the Marshall family Didier (Dietrich Marshall) who left from Rothau in Alsace, a village about 25 miles west of Strassburg neat the French border. I am trying to find birth records, etc. He was born in about 1707. He left from Rotterdam and arrived in America in 1737. I would love to connect with anyone researching this family line. He settled in Berk County PA.