What does Xuanyuan's surname mean?

According to China's dictionary, Xuanyuan's explanation is as follows:

1, tall Yuanmen.

2. The name of the Yellow Emperor. According to legend, the Yellow Emperor is the son of Shaodian and Fubao, whose real name is Gongsun, and later changed to Ji, so it is called Ji Xuanyuan. I live in the hill of Xuanyuan, named Xuanyuan, and there are bears in the capital, also known as Xiongshi. Others call it "Di Hong's".

3. compound surname. On the occasion of the discovery of Huangdi Neijing, Mr. Wang Hansheng, a famous historian in Taiwan Province Province and president of Xuanyuantang in Taiwan Province Province, also predicted to his daughter that there should be Xuanyuan family in China, which should be found at 1994.

Xuanyuan is the name of the constellation. Seventeen stars, north of the Big Dipper.

Extended data:

Among the descendants of the Yellow Emperor, some are named after their ancestors, which is called Xuanyuan. It is one of the very old surnames, known as "the first surname in China".

Xuanyuanfu surname is a very old Han surname, but its total population is not in the top 300 in Chinese mainland and Taiwan Province Province. It was listed as 43 1 bit in the Song version of Hundred Family Names, and its current population is about 28,300, accounting for 0.00 17% of the total population in China.

References:

Baidu encyclopedia-Xuanyuan family