skos:altLabel | - Helen
- Elena
- Crown Princess Elena
- Crown Princess Helen of Romania
- Helen (1896)
- Helen of Greece
- Helen of Romania
- Helen, Queen Mother
- Helen, Queen Mother of Romania
- Princess Elena
- Princess Eleni of Greece
- Princess Eléni
- Princess Helen
- Princess Helen of Greece and Denmark
- Princesses Helen
- Queen Helen
- Queen Helen of Romania
- Queen Helen, Queen Mother of Romania
- Queen Helen, The Queen Mother
- Queen Helen, The Queen Mother of Romania
- Queen Mother Elena
- Queen Mother Elena of Romania
- Queen Mother Helen
- Queen Mother Helen of Romania
- Queen Mother of the Romanians
- Queen-Mother Elena
- Queen-Mother Elena of Romania
- The Queen Mother of Romania
- The Queen Mother of the Romanians
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