Gregor Johann Mendel was born 27 July, 1822, at Heinzendorf, nor far from Odrau, in Austrian Silesia.
"Catholic Churchmen in Science" by James J. Walsh
CHRISTLIEB, Johann Ludwig Karl Friedrich (Aaron Mendel), was baptized by the Court preacher Kern, in the eighteenth century.
"Some Jewish Witnesses For Christ" by Rev. A. Bernstein, B.D.