Heinrich
Heinrich was born in August 1267 in Braunschweig, Germany.  He died at the age of 55 on September 7th, 1322 in Salzderhelden, Hannover, Prussia.

 Princess of Thuringia Agnes
Princess of Thuringia was born about 1264 in Meissen, Dresden, Saxony.

 Princess of Brunswick Alsine
Princess of Brunswick was born about 1282.

 Prince of Brunswick Otto
Prince of Brunswick was born about 1283.

 Prince of Brunswick Albrecht
Prince of Brunswick was born about 1284.

 Princess of Brunswick Adelheid
Princess of Brunswick was born about 1285.

 Princess of Brunswick Facie
Princess of Brunswick was born about 1286.

 Princess of Brunswick Agnes
Princess of Brunswick was born about 1287.

 Heinrich
Heinrich was born about 1289 in Grubenhagen, Hannover, Prussia.  He died in July 1351 in Grubenhagen, Hannover, Prussia.

 Prince of Brunswick Friedrich
Prince of Brunswick was born about 1291.

 Adelheid Irini
Adelheid was born about 1293.

 Prince of Brunswick Konrad
Prince of Brunswick was born about 1294.

 Princess of Brunswick Mechtild
Princess of Brunswick was born in 1295.

 Duke of Brunswick Ernst
Duke of Brunswick was born in 1297.

 Duke of Brunswick Wilhelm
Duke of Brunswick was born about 1298.

 Princess of Brunswick Richardis
Princess of Brunswick was born about 1300.

 Princess of Brunswick Margarethe
Princess of Brunswick was born about 1300.

 Prince of Brunswick Johann
Prince of Brunswick was born about 1301.