《资治通鉴·隋纪·隋纪四》
群臣奏议汉王杨谅应被处死，炀帝不许，将杨谅除名为民，将他从宗室中除名，杨谅最后被幽禁而死。
群臣奏汉王谅当死，帝不许，除名为民，绝其属籍，竟以幽死。
The ministers proposed that Han Wang Yang Liang should be executed, but Sui Yang Emperor refused, and instead demoted him to a civilian. As a result, Yang Liang was isolated and died in confinement.