von Mahnen is a German or Dutch name that means "from Mahnen" or "a reminder." The name may have originally been Mahren, a town in the Rhineland region in Germany.

Maria von Mahnen
Born about 1600 - 1620 in Germany or Spain.
Died in Rheinberg, Germany.

Maria DeGrivillon
Born about 1620 - 1640 in either Germany or Spain, daughter of Mathias DeGrivillon.
Died after 1660 in Rheinberg, Germany.

Johan Mathias Wincop
Born December 4, 1661 in Rheinberg, Germany, son of Maria DeGrivillon and Joducus Wincop.
Died April 21, 1727 in Rheinberg, Germany.

Wilhelm Heinrich Wincop
Born about 1700 in Erfurt, Germany, son of Johann Mathias Wincop and Anna Elisabeth Strait.
Died after 1743 in Germany.

Sigismund Ignatius Wincopp
Born 1733 in Erfurt, Germany, son of Wilhelm Heinrich Wincopp and Maria Martha Louisa von Gerstenberg. Died in 1781 in Erfurt, Germany.

Peter Adolf Winkopp
Born January 17, 1759 in Erfurt, Germany, son of Sigismund Ignatius Wincopp and Maria Christina Schroeder.
Died October 26, 1813 in Aschaffenburg, Germany.

Adolf Winkopp
Born 1802 in Aschaffenburg, Germany, son of Peter Adolf Winkopp and Barbara Schmitt.
Died January 17, 1865 in Karlsruhe, Germany.

Franz Josef Alfred Winkopp
Born February 3, 1846 in Tauberbischofsheim, Germany, son of Adolf Winkopp and Maria Susannah Schreck. Emigrated to USA in 1868.
Died January 18, 1919 in Brooklyn, New York.

Walter Winkopp
Born August 8, 1893 in Brooklyn, New York, son of Franz Josef Alfred Winkopp and Caroline Blumlein.
Died July 8, 1978 in Orlando, Florida.

Walter Michael Windsor
Born September 22, 1918 in New York, New York, son of Walter Winkopp and Helen May "Maude" Catoggio.
Died February 29, 2008 in Duluth, Georgia.