He was the son of Count Simon VII from 1587 to 1627) from his marriage to Countess Maria Magdalena of Waldeck-Wildungen (1606-1671) and is considered the founder of the Lippe-Biesterfeld line, as a result of his creation of the Biesterfeld manor, between 1654 and 1665.
Jobst Hermann married on 10 October 1654 to Countess Juliane Elisabeth of Sayn-Wittgenstein-Hohenstein (4 October 1634 – 23 June 1689). Their children were styled Count (or Countess) of Lippe-Biesterfeld:
Juliane Elisabeth (15 June 1656 – 29 April 1709)
John Augustus (15 October 1657 – 9 September 1709)
Charlotte Sophie (16 September 1658 – 25 April 1672)
Simon Christian (8 October 1659 – 9 November 1660)
Theodore Adolph (22 October 1660 – 9 March 1709)
Christine Mary (12 February 1662 – 14 June 1710)
Christiane Ernestine (12 July 1664 – 28 December 1686)
Anna Auguste (14 September 1665 – 25 August 1730)
John Frederick (6 November 1666 – 21 February 1712)
Magdalene Emilie (30 November 1667 – 25 June 1677)
Concordia Dorothea (18 December 1668 – 25 June 1677)
John George Louis (12 January 1670 – 22 January 1693)
Rudolph Ferdinand (17 March 1671 – 12 June 1736); father of Count Frederick Charles Augustus. Another younger son of his, Count Ferdinand, founded the Lippe-Weissenfeld line of the family.
William Christian (November 1672 – 6 May 1674)
Simon Christian (4 March 1674 – 23 June 1677)
Elisabeth Charlotte (21 March 1675 – 22 August 1676)
