Khatu shyam ji relation with Mahabharat Bheem

Once duryodhana tried to kill the pandavas Duryodhana, speaking to his father, asked the Pandavas to go to Lakh's house. Then Pandavas and Kunti also went with them. One night Duryodhana's companion burnt that house.Then Pandavas saved themselves and their mother Kunti. In the cave A demom named Hidimba loved but she was not dangerous she was too good and Bheem fall in love with hidimba and they married each othe after hidimba gave birth to a son named ghatotkach and after ghatotkach married and his son is known for his sacrifice and shree krishna gave him a name khati Shyam and give fulfill his wish to saw war (yuddh) of Mahabharata