__ | __| | | | |__ | _Frederick I SAXE-GOTHA-ALTENBURG ______| | | | | __ | | | | |__| | | | |__ | | |--Frederick II SAXE-GOTHA-ALTENBURG | (1676 - 1731) | __ | | | __| | | | | | |__ | | |_Magdalena Sibylle of SAXE-WEISSENFELS _| (1648 - 1680) | | __ | | |__| | |__