The mother of all cows, the cow of abundance, the wisch fulfilling cow. Also known as Surabhi. Her daughter ist Nandini.
Kamadhenu is owned by Vasishtha and always an object of desire. The tragic figure of Bhishma in the Mahabharata goes back to the robbery of Kamadhenu.
Read stories about Kamadhenu/Nandini
http://talesfrommythology.blogspot.com/2016/09/bheeshma-mischievous.html
http://hindumythologyforgennext.blogspot.com/2012/03/king-dileepa-and-nandini.html
http://hindumythologyforgennext.blogspot.com/2012/04/sage-vishwamitra-part-1.html