Question: Who is the paternal grandmother of Charlotte Marie Of Saxe-Jena?
Sentence (from "Charlotte Marie of Saxe-Jena"): She was the fourth child of Bernhard II, Duke of Saxe-Jena by his wife Marie Charlotte, daughter of Henry de La Trémoille, 3rd Duke of Thouars, 2nd Duke of La Tremoille, and Prince of Talmond and Taranto.
Relevant evidence: Yes