Heinrich, Duke of BRUNSWICK-DANNENBURG
He married Ursule, Princess of Saxony Lauenburg 30 Mar 1569 at Artlenburg in Luneburg, Hannover, Prussia . Ursule, Princess of Saxony Lauenburg was born at Lauenburg, Schleswig-Holstein, Prussia 1545 daughter of Franz I Duke of Saxony-Lauenburg-Ratzeburg and Sibylle, Princess of Saxony .
They were the parents of 7
children:
Julius Ernst, Duke of Brunswick-Dannenberg
born 11/21 Mar 1571.
Franz, Prince of Brunswick
born 6 Jun 1572.
Anna Sofie, Princess of Brunswick
born 14 Aug 1573.
Heinrich, Prince of Brunswick
born 25 Oct 1574.
Sibylle Elisabeth Princess of Brunswick
born 4 Jun 1576.
Sidonie, Princess of Brunswick
born 10 Dec 1577.
August, Duke of Brunswick-WOLFENBÜTTEL
born 10 Apr 1579.
Heinrich, Duke of Brunswick-Dannenburg died 19/29 Jan 1597 at Dannenberg, Hannover, Prussia .
Ursule, Princess of Saxony Lauenburg died 12 Oct 1620 at Scharnebeck, Hannover, Prussia .