Paul Deschanel, the son of Émile Deschanel (1819–1904), professor at the Collège de France and senator, was born in Brussels, where his father was living in exile (1851–1859), owing to his opposition to Napoleon III.
Paul Deschanel, putra Émile Deschanel (1819-1904), professor pada Collège de France dan senator, dilahirkan di Brussels, di mana ayahnya tinggal dalam pengasingan (1851—1859), karena menentang Napoleon III.