Original: Joanot Martorell ( Gandia , south of Valencia , 1413 -- 1468 ) was a Valencian knight and the author of the novel Tirant lo Blanch , which is written in Valencian ( Martorell calls it '' the Valencian popular '' '' vulgar llengua valenciana '' spoken in the Kingdom of Valencia ) .
Simplified: Joanot Martorell ( 1413 -- 1468 ) was the Valencian author of the novel Tirant lo Blanch , which is written in the Catalan language ( Martorell calls it '' the Valencian vernacular '' '' vulgar llengua valenciana '' used in the Crown of Aragon ) .