Michal, daughter of Shaul, was King David's first wife. However, after she later helped David escape from Shaul, Shaul gave her to Paltiel Ben Laish as a wife. The Talmud in Sanhedrin 19b has the ...
Samuel II Chapter 11 tells of David committing adultery with Bathsheba. Whether or not she was actually considered to be married is a matter of debate, as sourced here. According to those who say ...