Complex sentence: Doti was a medieval kingdom of Nepal, founded by Niranjan Malla Deo, last son of the Katyuri dynasty and younger brother of Abhay Pal of Askot.
Split into simpler sentences: Doti was a medieval kingdom of Nepal. It founded by Niranjan Malla Deo, last son of the Katyuri dynasty and younger brother of Abhay Pal of Askot.