《容斋随笔·卷六·姓氏不可考》
晋国有阳处父，然而楚国又有阳丐，粤国有阳虎姓孙的源出于卫，于是楚国却有孙叔敖，齐国有孙书，吴国有孙武。
晋有阳处父，楚有阳丐，鲁有阳虎。孙氏出于卫，而楚有叔敖，齐有孙书，吴有孙武。
The state of Jin has Yang Chufu, but the state of Chu also has Yang Gai, the state of Yue has Yang Hu whose surname is Sun, so the state of Chu has Sun Shuao, the state of Qi has Sun Shu, and the state of Wu has Sun Wu.