This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Ferdinand Karl Austria BertaCzuber. Erzherzog Karl Ferdinand Ludwig von sterreich Bruder von Franz Ferdinand nach brgerlicher Name Ferdinand Burg Photo vom mit seiner Frau Berta geb Czuber Archduke Karl Ferdinand Ludwig of Austria brother of Franz Ferdinand After under common subject name Ferdinand Burg photo from with his