Guillaume de Lorris was a French poet born around 1210, best known for his work on the allegorical poem titled Le Roman de la Rose. This poem, which he began around 1230, explores themes of love and courtly romance through a dream vision narrative. His writing style is characterized by its rich imagery and intricate symbolism. De Lorris's contribution to Le Roman de la Rose was significant, as it laid the groundwork for later expansions by Jean de Meun. The poem became a foundational text in medieval literature, influencing many writers and artists in the centuries that followed. De Lorris's work remains a key example of early French poetry.