Philippa Gregory is an author of historical fiction that actually traces the lives of many of the Renaissance Queens--Anne Boleyn (Second wife of Henry VIII and Elizabeth's mother), Mary (rose to the throne after Edward and before Elizabeth--all Henry VIII's "legitimate" children), and Elizabeth to name a few. She has also written about Katherine of Aragon, Mary's mother and first wife of Henry VIII.
You might be familiar with her since one of her books, The Other Boleyn Girl, was recently made into a movie with Natalie Portman and Scarlett Johansson.
Her United States published books include the following:
The link below will take you to her official site on the web where you can read more about her, her books, and her inspiration. The books she has published in the United Kingdom have different titles, but you can find them on her website as well. Good Luck!
Phillipa Gregory tends to cover Tudor era and Wars of the Roses in her historical ficiton books.