1. Davidoff son , the Western Han Go hand . Duling (now Xi'an southeast ) . Yi its name . Ge Hong Xijing " Volume III of the Western Han Dynasty had , " Duling the Davidoff son good chess , for the account of the best in the world " . Xijing Yun : " or ridiculed its fee Day . " Teacher said: 'fine its reasoning enough large Pi holy number . ' " Kiskiskis
2 Davidoff child ( scientific name ) , formerly known as Du Ying Branch , scientific name Du Jingqian : Inamori Sheng and Sook ( Shenzhen, China ) and Ali Miba business model research and promotion consulting and training experts ; Sook Health ; performance Excellence Model Innovation Award counseling senior consultant ; Shenzhen Mayor quality Award assessors ; scholars of traditional Chinese cultural heritage ; registered international management consultant (CMC); Chinese lecturer invited lecturer ; Master of Business Administration .
Davidoff ( 4 ) sub