Antonia Bennett (born April 7, 1974) is an American singer of adult alternative music, standards, and jazz. She is a daughter of famed traditional pop singer Tony Bennett and actress Sandra Grant. Bennett originally trained as an actor at the Lee Strasberg Theatre and Film Institute in New York. Bennett then became an alumnus of the Berklee College of Music in Boston. Beginning in the mid-2000s, she began to appear as an opening act, or as a guest during, her father's shows. In 2013 she was married to Ronen Helmann, an Israeli; around the same time, she converted to Judaism.