Jeffrey is the eldest son of composer Robert B. Sherman (the Sherman Brothers).
The song "Spoonful of Sugar" from Mary Poppins was written after Jeff
told his father about getting the Salk polio vaccine (via sugar cube)
at school.
Went to the same High School as Angelina Jolie, Michael Klesic, Nicolas
Cage, Corbin Bernsen, Lenny Kravitz, David Schwimmer, Breckin Meyer,
Jonathan Silverman, and Richard Dreyfuss.