Peerage Record – 772

     Otto von Braunschweig was the son of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg. He died on 29 June 1406.
     He was a member of the House of Guelph. He held the office of Archbishop of Bremen.

     Agnes I von Braunschweig was the daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg. She married Albrecht II Herzog von Braunschweig-Grubenhagen, son of Ernst Graf von Osterode and Agnes von Everstein, circa 1371. She died on 21 March 1410.
     She was a member of the House of Guelph.

     Albrecht II Herzog von Braunschweig-Grubenhagen was born circa 1339. He was the son of Ernst Graf von Osterode and Agnes von Everstein. He married Agnes I von Braunschweig, daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg, circa 1371. He died before 11 September 1383.
     He gained the title of Herzog von Braunschweig-Grubenhagen.

     Sophie von Braunschweig was born circa 1358. She was the daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg. She married Erich IV Herzog von Sachsen-Lauenburg, son of Erich II Herzog von Sachsen-Lauenburg and Agnes von Holstein-Plön, on 8 April 1373. She died before 28 May 1416.
     She was a member of the House of Guelph.

     Erich IV Herzog von Sachsen-Lauenburg was born circa 1354. He was the son of Erich II Herzog von Sachsen-Lauenburg and Agnes von Holstein-Plön. He married Sophie von Braunschweig, daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg, on 8 April 1373. He died on 21 June 1411.
     He gained the title of Herzog von Sachsen-Lauenburg.

     Agnes II von Braunschweig was the daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg.¹ She married, firstly, Busso IV Graf von Mansfeld circa 1366. She married, secondly, Bogislaus VI Herzog von Pommern-Wolgast on 7 February 1391. She married, thirdly, Albrecht von Mecklenburg, King of Sweden, son of Albrecht I Herzog von Mecklenburg and Euphemia Folkunga, on 12 February 1396.¹ She was also reported to have been married on 13 February 1396. She died before 22 December 1434.
     She was a member of the House of Guelph.

     Busso IV Graf von Mansfeld married Agnes II von Braunschweig, daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg, circa 1366. He died on 22 July 1386.
     He gained the title of Graf von Mansfeld.

     Bogislaus VI Herzog von Pommern-Wolgast married, firstly, Jutta von Sachsen-Lauenburg, daughter of Erich II Herzog von Sachsen-Lauenburg and Agnes von Holstein-Plön, before 5 February 1377. He married, secondly, Agnes II von Braunschweig, daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg, on 7 February 1391. He died on 18 July 1393.
     He gained the title of Herzog von Pommern-Wolgast.

     Albrecht von Mecklenburg, King of Sweden was born circa 1340.¹ He was the son of Albrecht I Herzog von Mecklenburg and Euphemia Folkunga.¹ He married, firstly, Richardis von Schwerin, daughter of Otto I Graf von Schwerin, in 1359.² He married, secondly, Agnes II von Braunschweig, daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg, on 12 February 1396.² He was also reported to have been married on 13 February 1396. He died on 31 March 1412.
     He gained the title of Herzog von Mecklenburg. He succeeded as the King Albrecht of Sweden in 1363.¹ He was deposed as King of Sweden in 1389.¹

     Helen von Braunschweig is the daughter of Magnus II Herzog von Braunschweig and Catherine von Anhalt-Bernburg. She married Erich I Graf von Hoya before 1396.
     She was a member of the House of Guelph.