《旧唐书·列传·卷一百一十六》
白居易无子，以其侄孙承嗣。
无子，以其侄孙嗣。
Bai Juyi had no son, and named his grandnephew Chengsi as the successor.
<s>[INST] Translate the following Classical Chinese text into modern Chinese: 无子，以其侄孙嗣。 [/INST] 白居易无子，以其侄孙承嗣。</s>
Translate the following Classical Chinese text into modern Chinese: 无子，以其侄孙嗣。
user
白居易无子，以其侄孙承嗣。
assistant