Question: Who is Duchess Marie Louise Of Mecklenburg-Schwerin's paternal grandmother?
Sentence (from "Duchess Marie Louise of Mecklenburg-Schwerin"): Duchess Marie Louise of Mecklenburg-Schwerin (31 March 180326 October 1862) was daughter of Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin and consort of Georg, Duke of Saxe-Altenburg.
Relevant evidence: Yes