Question: Who is Princess Charlotte Sophie Of Saxe-Coburg-Saalfeld's maternal grandmother?
Sentence (from "Princess Charlotte Sophie of Saxe-Coburg-Saalfeld"): Princess Charlotte Sophie of Saxe-Coburg-Saalfeld, Duchess in Saxony (24 September 1731 – 2 August 1810) was a German duchess.
Relevant evidence: No