Complex sentence: Maharani Sayeebai (or Sai Bai, died 5 September 1659) was the first wife of king Shivaji of the Maratha Empire, and mother of Sambhaji, who succeeded Shivaji as the king.
Split into simpler sentences: Maharani Sayeebai (or Sai Bai, died 5th September, 1659) was the first wife of Shivaji Maharaj, king of the Maratha Empire. She was mother of Sambhaji Maharaj, who succeeded Shivaji as the king.