Complex sentence: With the conquest of Ijzim, the majority of the villagers fled, most of whom ended up in the Jenin area, on the other side of the armistice lines drawn in 1949.
Split into simpler sentences: With the conquest of Ijzim, the majority of the villagers either were expelled or fled. The majority ended up in the Jenin area, on the other side of the armistice lines drawn in 1949.