Jeanette Loff was born Janette Löv in Orofino, Idaho, on October 9, 1906. Her father Maurice was a successful violinist who moved their family to Canada when Jeanette was a child. She loved to sing and she studied music at the Ellison and White Conservatory. At age sixteen she had a starring role in the operetta Treasure Hunters. Jeanette moved to Oregon and got a job playing the organ. She made her acting debut in the 1927 film Uncle Toms Cabin. Cecil B. Demille offered her a contract and she quickly became one of Hollywood busiest starlets. In 1928 she appeared in Annapolis, Love Over Night, and Hold Em Yale. After her parents divorced Jeanettes mother Inga and sisters Irene and Myrtle came to live with her in California. Jeanette married a salesman named Harry Rosenbloom but they divorced in 1929. She also had a love affairs with producer Paul Bern, song writer Walter OKeefe, and actor Gilbert Roland.