Who is the owner of Xue Dingshan?

According to Blue Net, The Complete Biography of Tang People records that the old monk is the master of Harmony. Wang Ao, the ancestor of water curtain cave in Yunmeng Mountain, saved Xue Dingshan and lived in water curtain cave. He became a master and taught the art of war. Wang Ao's bodhi old zu is the great-grandfather of Guiguzi Wangtong (also known as Wang Chan). Wang Ao has always been a myth, so he is called the bodhi old zu. From the Warring States to the Tang Dynasty, from the Tang Dynasty to the Song Dynasty, there are legends about him. He is thousands of years old.