Complex sentence: HH Maharaja Virajendra Narayan Bhup Bahadur (1944--1992, ruled 1970--1992) was married firstly to Reena, secondly to Anna, and thirdly to Surekha Guring.
Split into simpler sentences: HH Maharaja Virajendra Narayan Bhup Bahadur (ruled 1970--1992) was born in 1944 and died in 1992. He was married firstly to Reena, secondly to Anna, and thirdly to Surekha Guring.