What is the relationship between Dong Yilin and Dong Yiqi?

It doesn't matter. Dong Yiqi is even more famous, because since 1998, Dong Yiqi has been teaching the Book of Changes at home and abroad, and tens of thousands of students have listened to his lectures. He was invited to participate in many international and domestic Yi-ology conferences. During his lecture abroad in 2000, he was awarded the title of "Yi-ology wizard" by the Jakarta Beautifying Nature Foundation of Indonesia, and became an academic consultant of the 6th World Yi-ology Congress. Up to now, Mr. Dong Yiqi has published dozens of books, such as Interpretation of the Dong Yiqi Book of Changes, Master Interpretation of 20 10 Zodiac Luck, Home Feng Shui, Master Teach You Buji House, Life Luck Calendar, etc., which are available in major Xinhua bookstores for your reference.

Dong Yiqi: Qilu figure, an internationally renowned master of geomantic omen, the founder of Yiqi eight-character software, and the secretary-general of the World Chinese Zhouyi Association.

Dong Yilin: Born in the hometown of Confucius and Mencius, he belongs to a family of Zhouyi, and is good at geomantic omen, architectural geomantic omen, numerology and naming. At present, he is the president of the International Zhouyi Development and Application Research Institute, the founder of Dong Yilin Mascot Chain Group, the fifth director of the Urban Construction Bureau, and the senior consultant of Li Bei Ya Architectural Decoration Engineering Company.