Series I. Bronfman Family contains two subseries.

Subseries A. Research Materials for Samuel Bronfman: The Life and Times of Seagram's Mr. Sam by Michael Marrus; The core of these records was created by John Scott, who was hired by the family to write a biography of their patriarch Samuel Bronfman. The remaining records in this subseries were created by Marrus when researching Samuel Bronfman: The Life and Times of Seagram's Mr. Sam.

Subseries B. Bronfman Family Papers; contains documents such as births, deaths, and marriages of some of the Bronfman family and relatives; correspondence, and newspaper clippings.