Cause of death: cancer
Jean Genet (French: [ʒɑ̃ ʒənɛ]; (1910-12-19)19 December 1910 – (1986-04-15)15 April 1986) was a French novelist, playwright, poet, essayist, and political activist. In his early life he was a vagabond and petty criminal, but he later became a writer and playwright. His major works include the novels The Thief's Journal and Our Lady of the Flowers and the plays The Balcony, The Maids and The Screens.
Source : Wikipedia