Complex sentence: Reb Anderson was born as Harold Anderson Prebish, 237 in Mississippi in 1943 and grew up in Minnesota, developing an early interest in Buddhism while still in his teens.
Split into simpler sentences: Reb Anderson was born as Harold Anderson Prebish, 237 in Mississippi in 1943 and grew up in Minnesota. Downing, 15-16 Anderson developed an interest in Buddhism while still in his teens.