Simplify the following text for a Grade 13 native English-speaking person.
Original: He was born on May 13 , 1930 ( a date that has been disputed ) , in a coffee-growing region of west-central Colombia in the QuindÃ o Department , to a peasant family politically aligned with the Liberal Party during La Violencia .
Simplified: Marulanda was born in a coffee-growing region of west-central Colombia in the QuindÃ o Department , to a peasant family politically aligned with the Liberal Party during conflicts in the 1940s and 1950s .