 Geraci's great-grandfather, Francis A. Hoffmann, was corporation counsel for Chicago in the 1880s.His great-great grandfather, Francis A. Hoffmann, was a founder of the Republican Party, and lieutenant governor of Illinois during the Civil War, having been elected on Abraham Lincoln’s ticket in 1860.Peter Francis Geraci is admitted to practice law before the Supreme Courts of Illinois, Indiana, Wisconsin, New York, Florida, California and Michigan.