Complex sentence: Henderson was raised by his teenage mother in the eastside of Austin, Texas and played football for the L. C. Anderson High School "B" team until 1969, when he moved to Oklahoma City to live with his grandmother for a more stable environment.
Split into simpler sentences: Henderson was raised by his teenage mother in the eastside of Austin, Texas. In 1969, he moved to Oklahoma City to live with his grandmother for a more stable environment.