LOS ANGELES: Actors John Travolta and wife Kelly Preston, whose eldest son died tragically at age 16, proudly show off their new baby son on the cover of People on newsstands this week. “He's given the house a renewed spirit and purpose,” Travolta told the magazine. At age 48, “Casino Jack” star Preston gave birth to the baby, named Benjamin, this past November. The couple's first son, Jett, died of a seizure in January 2009 while the family was on vacation in the Bahamas. An image on People's website shows Travolta, Preston and baby Benjamin dressed in white for their cover photo, which the magazine said will hit newsstands, Friday.