satyavati involved in illegal sex with rishi and got a boy child. He is vedvyas. born of flithy relationship. then she married another king and got a boy from him. he grown up and married tow girls. satyavaty asks vedvyas to have sex with those two girls. filthy proposal. vedvyas involves in illegas sex with those two girls also with a maid servant. filthy womaniser. shiva involves in filthy sex with vishnu who came in girl's disguise and did not take bath after that. this became a reason for a curse on them. that is why Ganga is dirty dusty flithy.
