Complex sentence: Cocteau cast Barbette in his experimental film "Le Sang d'un Poete" ("The Blood of a Poet") (1930) He fell in love with the Barbette persona but their affair was short-lived.
Split into simpler sentences: Cocteau cast Barbette in his experimental film "Le Sang d'un Poete" ("The Blood of a Poet") (1930). Cocteau fell in love with the Barbette persona but their affair was short-lived.