Anne Bonny

Anne Bonny (8 March 1702 – 22 April 1782) was an Irish pirate during the early 18th century who operated out of the Caribbean. She had a relationship with the Assassin Edward Kenway.

History
In October of 1720, and his crew (of which Bonny was a part of)was attacked by a "King's Ship", a sloop that was commissioned by the Governor of Jamaica with the intent to take out Rackham. Being that most of the crew was drunk, many of the pirates put up little resistance, yet Bonny,, and an unknown man fought to their full potential.

Eventually, the crew was imprisoned, and sentenced to be hanged. However, both Bonny and Read were able to pled pregnancy, and their sentences were temporarily put on hold until childbirth had ensued.

Reference

 * Polygon: Assassin's Creed 4: Black Flag story of sex and repentance outlined by lead scriptwriter