Question: What is the place of birth of John Ernest Ii, Duke Of Saxe-Weimar's father?
Sentence (from "Ernest Augustus II, Duke of Saxe-Weimar-Eisenach"): Ernst August II Konstantin, Duke of Saxe- Weimar- Eisenach( 2 June 1737 – 28 May 1758), was a duke of Saxe- Weimar- Eisenach.
Relevant evidence: No