Let's talk about Frank and Charles who spent their lives serving in the British Royal Navy and the impact they had on Jane's writing.

References:

204-016_persuasion_25 (jasna.org) by Brian Southam

Austen, Jane. Jane Austen’s Letters (1995). Ed. Deidre Le Faye. Oxford

Hubback, John H. & Edith C. Jane Austen’s Sailor Brothers. London: The Bodley Head, 1906.