Frederic and Emily had six known children, the eldest being Frederic William Madden (1839–1904), who in 1860 married Elizabeth Sarah Rannie (1839–1893) and had four children.[8] Frederic, a numismatist of note, was Secretary and Bursar of Brighton College 1874–88 and then Chief Librarian of the Public Library in Brighton 1888–1902.