Complex sentence: Johnny "J" grew up on 103rd and Budlong in South Central, Los Angeles, by his adoptive parents, John Sr., was a mechanic by trade who worked for the naval shipyards and now works for the U.S. Defense Department.
Split into simpler sentences: Johnny "J" grew up on 103rd and Budlong in South Central, Los Angeles, by his adoptive parents. His father, John Sr., was a mechanic by trade who worked for the naval shipyards and now works for the U.S. Defense Department.