Deletion of Helen Berggruen (artist)

Comment: Per . I added the references from the German Wikipedia back in April in an attempt to fix the copyright infringement and thinking the article can be improved with further sources since I remember there were some newspaper articles apart from the current sources. However, I cant find any reliable source with more than a passing mention now, so I think it fails 
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG||WP:GNG)