Hanuman was born to the Benaras. His mother Anjana was an apsara who was born on earth because of a curse. She was redeemed from this curse on giving start to the son. The Valmiki Ramayana states that his father Kesari was the son of Rahu and was he was the King of the place named Sumeru. All these festivals https://shanidevtemple.com.au/