There is a book "History of the Gerberich Family in America (1613-1925)"
by Albert Henry Gerberich, Evangelical Press, Harrisburg, Pa., 1925.

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This link gives a nice summary of the book from Hans (1613-1682) through
Peter Gerberich (1730-1805):
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<a href="http://members.aol.com/johnwion/gerberich.html">http://members.aol.com/johnwion/gerberich.html</a>