Question: Who is Dorothea Maria Of Saxe-Gotha-Altenburg's paternal grandmother?
Sentence (from "Johann Adolf of Saxe-Gotha-Altenburg"): Johann Adolf of Saxe- Gotha-Altenburg( 18 May 1721, Gotha – 29 April 1799, Friedrichstanneck, now a district of Eisenberg, Thuringia), was a German prince of the House of Saxe- Gotha- Altenburg and a Saxon lieutenant general.
Relevant evidence: No