Established in NUMBER@1 for PERSON@1 , fourth son of PERSON@2 , PERSON@3 , PERSON@4 was reincorporated into Saxe-Weimar on the extinction of PERSON@1 's line in NUMBER@2 .

Part of the Duchy of Saxe-Weimar was given to PERSON@1 , the fourth son of PERSON@2 , PERSON@3 in NUMBER@1 .
