Are Yuan Tiangang and Jiang Ziya brothers?

Are you asking if Yuan Tiangang and Jiang Ziya are brothers? Not other disciples. Yuan Tiangang was a figure in the Tang Dynasty and a famous geomantic master in the Tang Dynasty. He was good at Yin-Yang, Five Elements and daoist magic, and Jiang Ziya was a figure in the Shang and Zhou Dynasties. As the founding father of the Zhou Dynasty, he helped Zhou Wuwang and Ji Fa overthrow the Shang Dynasty and establish the Zhou Dynasty, so he was called a strange man. So Yuan Tiangang and Jiang Ziya are not other disciples.