Original: Their granddaughter Hélène Langevin-Joliot is a professor of nuclear physics at the University of Paris, and their grandson Pierre Joliot, who was named after Pierre Curie, is a noted biochemist.
Simplified: His granddaughter Hélène Langevin-Joliot is a professor of nuclear physics at the University of Paris and his grandson, Pierre Joliot, who was named after him, is a noted biochemist.