How strong is the titled Douluo of Clear Sky School except Tang Chen in "Douluo Continent"?

Titled Douluo represents the highest combat power in the Douluo Continent, and each titled Douluo is a goal that the major forces strive for, because they all have the strength to rival a country. So how many Title Douluos does Clear Sky Sect of the upper three sects have?

1. Tang Hao

Tang Hao’s talent is extremely high, and he is the best candidate for the future Sovereign of the Haotian School, but because Tang Hao fell in love with A Yin, he was chased and killed by the Spirit Hall, which led to the death of A Yin. Tang Hao took Tang with him. Three live in seclusion.

2. Tang Xiao

Tang Xiao is the current suzerain. He and Tang Hao are brothers, second only to Tang Hao in strength. Because Tang Hao offended the Hall of Spirits, Tang Xiao had to take the Zongmen into seclusion, and then led the Haotian School to fight against the Hall of Spirits.

3. Tang San

Needless to say, Tang San has arrived at Titled Douluo after returning from the experience of Sea God Island. And came back to challenge the elders again, and finally Tang San broke through the hundredth level and became a god.

4. The five elders of the Clear Sky School

Several elders trained in Title Douluo twenty years after the return of the Clear Sky School to the mountains. The first time Tang San returned to the Clear Sky School, he was beaten by the Seven Elders because of the Seven Elders. Hate Tang Hao because of his son's death.

Later, when Tang San reached Title Douluo and returned, he provoked the elders and convinced them. In the end, the five elders joined Tang Chen against the Wuhun Hall.

This is the titled Douluo of the Clear Sky School except Tang Chen.