Jane Seymour (1507/1508 - 24 October 1537) was the third wife of Henry VIII. She died of post-natal complications following the birth of her only son, Edward VI. She was also King Henry VIII's sixth cousin twice removed. Wikipedia
Jane Seymour may have first come to court in the service of Queen Catherine, but then was moved to wait on Anne Boleyn as she rose in the King's favor and eventually became his second wife. tudorhistory.org/seymour/
The definitive Wikipedia entry for Jane Seymour. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Jane_Seymour
Jane Seymour fulfilled her most important duty as queen, but she was never crowned and died just twelve days after the long and arduous birth. englishhistory.net/tudor/monarchs/seymour.html