Jeff Baar was born 1 June 1870 in Berlin, Germany to Sam Baar (1850-1920) and Hannah Heidegger (1847-1921) and died 2 December 1929 San Francisco, California, United States of Head and neck cancer.
Children
| Name | Birth | Death | Joined with |
| Jason Baar (1929-2008) | 23 June 1929 San Francisco, California, United States | 28 February 2008 San Francisco, California, United States | Sarah Dimas (1923-2011) |
Siblings
| Name | Birth | Death | Joined with |
| Jeffrey Baar (1870-1929) | 1 June 1870 Berlin, Germany | 2 December 1929 San Francisco, California, United States | Barbara Wilson (1878-1951) |