Question: Who is the paternal grandmother of Fredericka Of Saxe-Gotha-Altenburg?
Sentence (from "Fredericka of Saxe-Gotha-Altenburg"): Born in Gotha, she was the fifteenth of nineteen children born from the marriage of Frederick II, Duke of Saxe-Gotha-Altenburg and Magdalena Augusta of Anhalt-Zerbst.
Relevant evidence: Yes