卡苏出生在西班牙的毕尔巴鄂，父亲来自法国的贝阿恩，母亲来自西班牙的安达卢西亚。在二战前，他把法语引入了西班牙先锋派运动。
Born in Bilbao to a father from B é arn and a mother from Andalusia , he introduced the French to the Spanish avant - garde before the war .
贝阿恩