Questão jurídica principal
Whether X.'s settlement permit could be revoked for concealing essential facts and abusing family reunification
Decisão extraída
Yes. The court held that X. maintained a merely formal marriage with the Swiss spouse and concealed an essential fact by hiding the existence of his third child, justifying revocation.
Fundamentação extraída
The undisclosed child and parallel family life in Turkey showed intentional concealment of decisive facts and abuse of rights under the foreign nationals act; the public interest outweighed his private interests.