In the epic Mahabharata, King Shalya (Sanskrit: शल्य) was the brother of Madri (mother of Nakula and Sahadeva), as well as the ruler of Madra-desa or the kingdom of Madra. Thus, he was the maternal uncle of Nakula and Sahadeva and was loved and revered by the Pandavas. When he was young, he entered a competition among princes and nobilities to marry Kunti, but subsequently lost to Pandu.Madri was married off to Pandu as part of a secret deal between Shalya and Pandu. Shalya was a skilled archer and formidable warrior.
Sursă: Wikipedia engleză