Actor Jung HaeIn is apparently a direct descendant of Jeong Yak-yeon... He certified the Taegeukgi on March 1st Independence Day

Actor Jung HaeIn celebrated the March 1st Independence Day by uploading a photo of the Taegeukgi. On the 1st, Jung HaeIn posted on his Instagram
She posted a photo of the Taegeukgi on her Stories page. Jung HaeIn is the 6th generation direct descendant of Dasan Jeong Yak-yong.
It is Grandson. That is why he shows extraordinary patriotism towards Korean history.
When appearing on "BLOCK," Jung HaeIn said, "I am the second son of Master Jeong Yak-yong," and "I grew up with my real grandparents from a young age."
"I had heard a lot about it when I was living in the area. That's when I started looking for it again. I remembered the teachings and footsteps of my ancestors and felt a sense of pride," he said.
Jo Se-ho then asked, "Did you think you should be more careful with your behavior?" Jung Hae-in replied, "
I couldn't help but think that. (Even on YouTube) a lot of content related to my algorithm came up."
He also said, "There are many things that make me think when I read the letters and writings of Dr. Jeong Yak-yong.
"Thanks to algorithms like this, I think we can feel closer to the lives of our ancestors," he added.
"Good Day" is produced by G-DRAGON (BIGBANG), an icon of the era, and features people from various fields who made the year shine.
This is a music project program in which members come together to create songs that will go down in history as one year, and it airs every Sunday at 9:10 pm on MBC in Korea.