The boy surnamed Zhang has a Dong in his name.

Zhang Dongyu Zhang Dongkai Zhang Dongnan Zhang Dong Xuan Dongqiang Zhang Zhang Dongsi Zhang Donghui Zhang Dongze Zhang Dongwei Zhang Donglin Zhang Dongyuan Zhang Dongqi Zhang Dongran

Zhang Dongyuan, Zhang, Zhang Donglun, Zhang, Zhang, Zhang, Zhang Dongxi, Zhang Dongyu, Zhang, Zhang Dongqi, Zhang Dongcai.