Kylo Ren , a Force-sensitive human male , was a warrior of the dark side of the Force , Master of the Knights of Ren and Supreme Leader of the First Order . The son of General Han Solo and Princess Leia Organa , his parents named him Ben Solo following his birth —an event that occurred on the day the Galactic Empire capitulated the Galactic Civil War to the New Republic —in the year 5 ABY on the Core World Chandrila .