Heinrich I Guelph
Heinrich I was born in 1267.  He died at the age of 55 in 1322.

 Agnes Von Wettin
Agnes Von was born about 1268.  She died after 1332.

 Mechtild Guelph
Mechtild was born about 1286.  She died on March 14th, 1344.

 Heinrich II Guelph
Heinrich II was born in 1289.  He died at the age of 62 in 1351.

 Ernst I Guelph
Ernst I was born about 1297.  He died on March 11th, 1361.