Born in Van Nuys in the San Fernando Valley of southern California, Lockwood's birth name was either John Gary Yurosek,[REF] or John Gary Yusolfsky,[REF][REF] one report says that he was brought up Yusolfsky and later used the name Yurosek [REF].
Lockwood was married to actress Stefanie Powers in the 1960s and Denise DuBarry in the 1980s [REF].