孙吴 Traditional form: 孫吳 Pinyin (reading): Sūnwú Definitions: Sunwu county in Heihe 黑河 ( Hēihé), Heilongjiang Characters: 孙 - grandchild, descendent; surname 吴 - one of several warring states; surname Traditional characters: 孫 - grandchild, descendent; surname 吳 - one of several warring states; surname