Johann Conrad Nicodemus was born on 26 October 1737 at
Medenbach, Germany. He was the son of
Johann Adam Nicodemus and
Anna Gutha Conrad. Johann Conrad Nicodemus married
Anna Maria Pfieffer, daughter of
Maria Margretha (?), on 15 April 1760 at
Lancaster Co., Pennsylvania; Conrad and Anna Maria were married by the Rev. John Waldeschmid. Johann Conrad Nicodemus was land contract on 2 July 1772 at
Washington Co., Maryland. He began military service. He was migration in 1802 at
Franklin Co., Pennsylvania; In 1802, Conrad sold his land in Washington Co., Maryland and moved to Franklin Co., Pennsylvania, where he purchased a farm located adjacent to his brother, Frederick. He died in 1805 at
Franklin Co., Pennsylvania.