Meaning: Who left to Seville, lost his chair
When to use: When you take somebody else chair / place.
Where is coming from: Its origin goes back to the dispute for the Archbishopric of Seville between an uncle and his nephew. The uncle was the Archbishop Alfonso I of Fonseca, who travelled to help his nephew as Archbishop of Santiago. Meanwhile his place was usurped by his nephew, proclaiming himself as Archbishop under the name Alfonso II of Fonseca.
Pope Pius II interceded on behalf of Alfonso I and sent an armed force to evict the traitor nephew.