Born at Halle an der Saale and baptized at St. Moritz on 7 August 1737, Struensee was the third child of six born to Pietist theologian and minister Adam Struensee (baptized in Neuruppin on 8 September 1708 – Rendsburg, 20 June 1791), Pfarrer ("curate") in Halle an der Saale in 1732, "Dr. theol. (h. c.) von Halle" ("Doctor of Theology (honoris causa, "for the honor") from the University of Halle) in 1757, pastor in Altona between 1757 and 1760, "Kgl. Generalsuperintendant von Schleswig und Holstein" ("Royal general superintendent of Schleswig and Holstein") between 1760 and 1791, and his wife (m. Berleburg, 8 May 1732) Maria Dorothea Carl (Berleburg, 31 July 1716 – Schleswig, 31 December 1792), a respectable middle-class family that believed in religious tolerance. Three of the Struensee sons went to University, but none became theologians like their father; two of the daughters married ministers.