 A third, legendary origin of Lu 路 is from Xuanyuan (玄元), a son of Emperor Zhi and grandson of Emperor Ku.He was enfeoffed as Marquis of Luzhong (路中侯) by Emperor Yao, and his descendants adopted Lu (from Luzhong) as their surname.During the Xianbei Northern Wei dynasty, Emperor Xiaowen (reigned 467–499 AD) implemented a drastic policy of sinicization, ordering his own people to adopt Chinese surnames.