What is the relationship between Feng Shui (compass) and surnames?

Now people think that Feng Shui has nothing to do with surnames, but in the Tang Dynasty, there was a book called Five Surnames. According to the five lines of surnames, the orientation of the door and the orientation of the yin house were determined. Do you know what it's like for the mausoleum of the Emperor of the Song Dynasty to face south? It is influenced by this theory.

So is there an objective connection between surnames and geomantic omen? According to my observation, there are still some, just like the Phoenix Slope in the Three Kingdoms. At present, most people study the factors of heaven and earth, regardless of people, even if they only consider the date of birth or immortality. You still need a surname if you want to completely ruin your luck.