How was Goddess Parvati born?

The name Parvati means the daughter of the mountains. She was also called as Uma due to this reason. Born as the daughter of the mountains, it was believed that her soul was that of Sati who has sacrificed herself to save the honour of her husband. Since her heart was always in love with Shiva, she decided to undergo severe ascetic discipline. Some versions believe that she was the part of Ardhnarishwar and afterwards separated from the Lord and became his consort and has two children with Him.