The Goncourt brothers (UK: /ɡɒnˈkʊər/,[1] US: /ɡoʊŋˈkʊər/,[2] French: [ɡɔ̃kuʁ] ⓘ) were Edmond de Goncourt (1822–1896) and Jules de Goncourt (1830–1870), both French naturalism writers who, as collaborative sibling authors, were inseparable in life.