What does Beihai celebrity mean?

Longxi mingmen Beihai celebrity, Quanlian, Li Yong, a calligrapher in Tang Dynasty, was born in Dujiang, Yangzhou, and was good at the annotation of Selected Works. When Xuanzong was an official in Beihai, he was called "Li Beihai" and wrote "Li Beihai Collection", which means the aristocratic family in modern Longxi. Li's ancestors began to settle in Longxi, and developed into a local noble family until the most powerful dynasty in China was established.