《晋书·志·第二章》
十二月，安帝的同母弟弟琅邪王即位为天子，这就是恭帝。
十二月，安帝母弟琅邪王践阼，是曰恭帝。
In December, Emperor An's half-brother, the King of Langxie, ascended the throne as the emperor, who is Emperor Gong.
<s>[INST] Kindly elucidate the central themes in this passage in English: 十二月，安帝母弟琅邪王践阼，是曰恭帝。 [/INST] In December, Emperor An's half-brother, the King of Langxie, ascended the throne as the emperor, who is Emperor Gong.</s>
Kindly elucidate the central themes in this passage in English: 十二月，安帝母弟琅邪王践阼，是曰恭帝。
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In December, Emperor An's half-brother, the King of Langxie, ascended the throne as the emperor, who is Emperor Gong.
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