Shani Maharaj is the son of the Lord Surya's second wife Chhaya
Shani Maharaj is the son of Lord Surya and his second wife Chhaya. Surya cursed his son Shani and burnt his house. After this, Shani worshiped Lord Surya with sesame, which pleased him. Since this incident, the tradition of worshiping Shani and Surya started with sesame seeds.