Sun Kuang 孫匡 was the fourth son of Sun Jian by the Lady Wu. Born about 185. Late in the 190's he was married to a niece of Cao Cao.


Upon the death of his father, Sun Jian during the Battle of Xiangyang. Sun Kuang fled with his elder brother Sun Ce to Jiangnan. Sun Ce was made Marquis of Wucheng, but instead gave the Marquis of Wucheng to Sun Kuang, in order to further his own military ambitions.

In order to alliance with the Sun clan, warlord Cao Cao proposed marriages between them, Sun Kuang married Cao Ren's daughter