Of the seven children born to Johann and Maria Ohm only three survived, Georg Simon, his brother Martin who went on to become a well-known mathematician, and his sister Elizabeth Barbara.
Ng pitong anak na ipinanganak Johann at Maria oum lamang tatlong survived, Georg Simon, ang kanyang mga kapatid na lalaki Martin na pumunta sa na maging isang kilalang-kilalang dalubbilang, at ang kanyang mga kapatid na babae Elizabeth Barbara.