Question: Who is John George Ii, Duke Of Saxe-Eisenach's father?
Sentence (from "Johannetta of Sayn-Wittgenstein (1632–1701)"): She was also Landgravine of Hesse-Braubach by marriage to John, Landgrave of Hesse-Braubach, and Duchess of Saxe-Marksuhl (later Saxe-Eisenach) by marriage to John George I, Duke of Saxe-Eisenach.
Relevant evidence: Yes