skos:altLabel | - Charles August
- Carl August of Augustenburg
- Charles August of Augustenburg
- Christian August
- Christian August of Augustenborg
- Crown Prince Charles August
- Crown Prince Karl August
- Prince Christian August
- Prince Christian August of Augustenborg
- Prince Christian August of Augustenburg
- Prince Christian August's
- Prince Christian Augustus of Augustenborg
- Christian August of Schleswig-Holstein-Sønderburg-Augustenborg
- Duke Christian August of Schleswig-Holstein-Sonderburg-Augustenburg
- Christian August, Prins von Schleswig-Holstein-Sonderburg-Augustenburg
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