About Frank Sinatra Jr.
Francis Wayne Sinatra (; January 10, 1944 – March 16, 2016), known professionally as Frank Sinatra Jr., was an American jazz and big band singer, songwriter, conductor and actor. He was the second child and only son of singer and actor Frank Sinatra and his first wife, Nancy Barbato Sinatra, the younger brother of singer and actress Nancy Sinatra, and the older brother of television producer Tina Sinatra. The younger Sinatra was technically not a "junior", as his father's middle name was Albert, but was nonetheless known as Frank Jr. throughout his life. Francis Wayne Sinatra was born on January 10, 1944, in Jersey City, New Jersey, into the household of one of the most popular singers in the world, Frank Sinatra. Sinatra Jr. recalled wanting to become a pianist and songwriter from his earliest days.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.