Complex sentence: He fell in love with Kattari, a girl from the Kallan caste, later married her and then appointed his brother-in-law Raghunatha as the chief of Pudukottai and neighboring districts who would later go on to spawn the Thondaman dynasty of Pudukottai.
Split into simpler sentences: He fell in love with Kattari, a girl from the Kallan caste, later married her and then appointed his brother-in-law as the chief of Pudukottai and neighboring districts. Ragunatha Tondamand would later go on to spawn the Thondaman dynasty of Pudukottai.