Question: Who is the paternal grandmother of Frederick William Cadogan?
Sentence (from "George Cadogan, 3rd Earl Cadogan"): Admiral George Cadogan, 3rd Earl Cadogan, CB, KMT (5 May 1783 – 15 September 1864) was a British Royal Navy officer and politician of the mid-nineteenth century who first gained fame for his service in the Adriatic campaign of the Napoleonic Wars in command of .
Relevant evidence: No