Conversation so far:
Who were some of the members of Burney's family?
Frances Burney was the third child in a family of six. Her siblings were Esther, James, Susanna, Charles, and Charlotte Ann.
What was Frances Burney's relationship with her family like?
Burney scholar Margaret Anne Doody has investigated conflicts within the Burney family that affected Burney's writing and her personal life.
What are some of those conflicts within the Burney family?
Margaret Anne Doody alleged that one strain was an incestuous relationship between Burney's brother James and their half-sister Sarah.

Question: Did Frances know about this relationship?
Self-contained rewrite: Did Burney Frances know about the relationship between her brother and half-sister?