《资治通鉴·汉纪·汉纪三十五》
梁松是梁统的儿子，窦固是窦友的儿子。
松，统之子；固，友之子也。
Liang Song was the son of Liang Tong, and Dou Gu was the son of Dou You.
<s>[INST] Convert the following English text into Classical Chinese: Liang Song was the son of Liang Tong, and Dou Gu was the son of Dou You. [/INST] 松，统之子；固，友之子也。</s>
Convert the following English text into Classical Chinese: Liang Song was the son of Liang Tong, and Dou Gu was the son of Dou You.
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松，统之子；固，友之子也。
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