Freystein was born on 18 April 1671, in
Weissenfels, to Samuel Adam Freystein, vice-chancellor of Duke August of Saxony, inspector of the
Gymnasium of Weissenfels. Johann Burchard Freyenstein studied at the
University of Leipzig in law, mathematics, philosophy and architecture. He spent some time in Berlin and Halle. In 1695, he achieved his doctorate in law at the
University of Jena. He then founded his own firm in
Dresden. In 1703, he was counsellor in Gotha. In 1709, he returned as a counsellor of court and law in Dresden, where he died, on 1 April 1718. Freystein's religiosity was influenced by
Philipp Jakob Spener. ==Work==