Johann Friedrich married
Sophie Agnes (12 January 1604 – 8 September 1664), daughter of Landgrave
Louis V of
Hesse-Darmstadt, in 1624 and had the following children: • Anne Louise (11 October 1626 – 23 February 1627) • Maria Magdalena (27 February 1628 – 17 June 1629) • Philipp Ludwig (26 February 1629 – 8 August 1632) • Johann Friedrich (25 March 1630 – 22 May 1630) •
unnamed daughter (22 April 1631) • Maria Eleanore (28 March 1632 – 23 November 1632) • Joanna Sophie (2 September 1635 – 19 August 1636) • Anne Magdalena (5 March 1638 – 29 July 1638) == Ancestors ==