C128 Chu Xi's Choice
Even though Chu Xi had grown up in Chu Family, he could not be considered the genuine son of Chu Wenhao. At that time, Hao Ping firmly did not agree to write Chu Xi into the household book, Chu Wenhao had to put Chu Xi's name under his cousin's name.
So although Chu Xi was Chu Wenhao's illegitimate child, he was called Uncle Chu Wenhao, both internally and externally. Unless it was at Chu Family