Question: Which country Frederick Ii, Duke Of Saxe-Gotha-Altenburg's mother is from?
Sentence (from "Frederick II, Duke of Saxe-Gotha-Altenburg"): By accumulation of parts of Saxe-Coburg (dissolved in 1699), Saxe-Eisenberg (dissolved in 1707) and Saxe-Römhild (dissolved in 1710), he succeeded to all, however only at long hereditary disputes under the other Ernestine duchies, which went only to 1735 with an arbitral award of the Emperor finally to end reaching in each case area increases for his country.
Relevant evidence: No