Hermann Francke, Philipp Jakob Spener and Johann Anastasius Freylinghausen. Knapp was father-in-law to theologian Johann Karl Thilo (1794–1853). Die Psalmen
Johann Karl Thilo (Langensalza, near Erfurt, 28 November 1794 — Halle 17 May 1853) was a German theologian and biblical scholar. He studied theology at
Burrows 1994, pp. 29–30 Mainwaring 1760, p. 52. Dean & Knapp 1987, p. 129 Burrows 1994, p. 38 Dean & Knapp 1987, pp. 173, 180 Burrows, Donald; Coffey, Helen;