C473 marriage with child
Letting Lu Zhengyuan marry into the Ouyang family was definitely impossible. Although everyone knew that he was an illegitimate child, the Lu family still had power and influence, and couldn't allow a second son to marry into the family. He could only marry Ouyang Xue. Lu Zhengting had already said something like this, and it was clear that he had a deep affection for Xue'er
