John George II
In Dessau on 30 March 1686 Heinrich married Elisabeth Albertine of Anhalt-Dessau, daughter of John George II, Prince of Anhalt-Dessau, and former Abbess of Herford. Elisabeth's paternal great-great grandmother was Agnes of Barby-Mühlingen; this give to Heinrich some blood ties to the extinct House of Barby. They had eight children: