Obsidian and Xiao Qiao are both heroes in the glory of the king, and they are not directly related.

Obsidian, fictional character, unknown prototype in the East, from the series of martial arts heroes. Xiao Qiao, a historical figure, was a national beauty at the end of the Eastern Han Dynasty, her second daughter, and the wife of famous Zhou Yu.

But obsidian and Joe have similarities:

1, everyone has a sister. Obsidian's elder sister is a mirror. The so-called elder sister is just like her mother, so the mirror is very strict with Obsidian. Obsidian Obsidian couldn't understand her sister's mirror since she was a child, which is also a very painful thing for her sister. Xiao Qiao's sister is Da Qiao, and Da Qiao has been raised as a family heir. Because of her lack of ability, she was later sacrificed to the sea by her people and finally saved by Sun Ce, but she didn't expect Sun Ce to be killed by Sima Yi.

2. Born tragically. Yao Yao was forced to grow up after being abandoned by his father, and Xiao Qiao was abandoned by his family and sent to the countryside for foster care.