Sari and Josh Schechter, a girl, Emma Sid, Dec. 3, Cedars-Sinai Medical Center. Both parents work for the Irv Schechter Co. Mother’s a director of business and legal affairs; father’s a literary agent.Lisa Kaas and David Boyle, a boy, Jacob William Boyle, Nov. 18, Santa Monica-UCLA Medical Center. Mother’s non-pro; father’s VP of legal & business affairs at Propaganda Films. Loretta and Michael Helfant, a boy, Jacob Aaron, Nov. 30, Cedars-Sinai Medical Center. Mother’s non-pro; father’s exec VP for Interscope Communications.