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.

The Bronfman family subseries consists of images of Seagram company owner Samuel Bronfman, his wife Saiyde, their children, Minda de Gunzberg, Phyllis Lambert, Edgar Bronfman, Sr. and Charles Rosner Bronfman. Samuel Bronfman’s brothers Harry and Abe, and Abe’s son Allan are also pictured. The majority of the photographs are of Samuel Bronfman and Charles Rosner Bronfman and date from 1900 to 1982. There are many individual portraits, events, trips, and albums of birthday parties.