Fiona, being Charles's wife, is the sister-in-law of Alice, as she is married to Alice's brother. Since Emily is Alice's daughter, Fiona is Emily's aunt by marriage. George, being the son of Fiona and Charles, is the nephew of Charles's siblings, which includes Bob. Therefore, George is Bob's nephew.
Alice is the sister of Bob, and they have a brother named Charles. Alice is married to David, and together they have a daughter named Emily. Charles is married to Fiona, and they have a son named George. How is Fiona related to Emily, and what is George's relationship to Bob? Provide a very short response.