BiographyJulius Ernst Welf von Braunschweig-Dannenberg was born 10 March 1571 in Dannenberg, Lower Saxony, Germany to Heinrich von Braunschweig-Dannenberg (1533-1598) and Ursula von Sachsen-Lauenburg (1552-1620) and died 26 October 1636 in Dannenberg, Lower Saxony, Germany of unspecified causes. He married Marie von Ostfriesland (1582-1616) 25 April 1614 in Dannenberg, Lower Saxony, Germany. He married Sybille von Braunschweig-Lüneburg (1584-1652) 23 November 1617 in Dannenberg, Lower Saxony, Germany. Notable ancestors include Henry II of England (1133-1189), William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Alfred the Great (849-899), Rurik (c832-879). Ancestors are from Germany, France, the United Kingdom, Austria, Italy, Belgium, Russia, Ukraine, the Czech Republic, Lithuania, Belarus, Switzerland, Spain, Hungary, Bohemia, Slovakia, Slovenia, the Netherlands, Poland, Turkey.
|Offspring of Julius Ernst von Braunschweig-Dannenberg and Marie von Ostfriesland (1582-1616)|
|Siegmund Heinrich von Braunschweig-Dannenberg (1615-1615)|| |
|Marie Katharina von Braunschweig-Dannenberg (1616-1665)||10 June 1616 Dannenberg, Lower Saxony, Germany||1 July 1665 Grabow, Mecklenburg-Western Pomerania, Germany|| Adolf Friedrich I. von Mecklenburg-Schwerin (1588-1658)|
|Offspring of Julius Ernst von Braunschweig-Dannenberg and Sybille von Braunschweig-Lüneburg (1584-1652)|
|August von Braunschweig-Dannenberg (1619-1619)|| |
|Anna Maria von Braunschweig-Dannenberg (1622-1622)|