Question: Who is Dorothea Of Denmark, Duchess Of Prussia's maternal grandmother?
Sentence (from "Princess Friederike Luise of Prussia"): Princess Friederike Luise of Prussia( 29 August 1714 – 4 February 1784) was a daughter of Frederick William I of Prussia and Sophia Dorothea of Hanover and Margravine of Brandenburg- Ansbach.
Relevant evidence: No