BiographyMarie Katharina Welf von Braunschweig-Dannenberg was born 10 June 1616 in Dannenberg, Lower Saxony, Germany to Julius Ernst von Braunschweig-Dannenberg (1571-1636) and Marie von Ostfriesland (1582-1616) and died 1 July 1665 in Grabow, Mecklenburg-Western Pomerania, Germany of unspecified causes. She married Adolf Friedrich I. von Mecklenburg-Schwerin (1588-1658) 15 February 1635 in Schwerin, Mecklenburg-Vorpommern, Germany. Notable ancestors include Gustav I of Sweden (1496-1560), Henry II of England (1133-1189), William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Alfred the Great (849-899). Ancestors are from Germany, Sweden, France, the United Kingdom, Austria, Italy, Belgium, Russia, Ukraine, the Czech Republic, Lithuania, Belarus, Switzerland, Spain, Hungary, Bohemia, Slovakia, Slovenia, the Netherlands, Poland, Turkey, the Byzantine Empire.
Common ancestors of Marie Katharina von Braunschweig-Dannenberg (1616-1665) and Adolf Friedrich I. von Mecklenburg-Schwerin (1588-1658)
- Albrecht von Sachsen (1443-1500)
- Johann Cicero von Brandenburg (1455-1499)
- Magnus II. zu Mecklenburg (1441-1503)
- Margarete von Sachsen (1449-1501)
- Sidonie von Böhmen (1449-1510)
- Sophie von Pommern (1468-1504)