Before his death, Yi Dao Xuan had married and had children. His Dao Companion was named Yu Xinyao, and she too came from the Azure Firmament God Court.
Hua Hongzhen was Yu Xinyao's fellow Junior Brother!
When Yi Dao Xuan first met Hua Hongzhen, the latter was merely a High Ranking God in the Good Fortune Realm.
Yu Xinyao took great care of Hua Hongzhen. According to her, from the day Hua Hongzhen entered the Azure Firmament God Court to cultivate, he had always cultivated under the guidance of her, his senior sister.
Over the course of their Dao Paths, as his senior sister from the same sect, Yu Xinyao had repeatedly guided and aided Hua Hongzhen.
Hua Hongzhen did not disappoint her expectations either. He rose step by step within the Azure Firmament God Court, his cultivation growing ever stronger and his status ever higher.
By the time Yu Xinyao left the Azure Firmament God Court and became Yi Dao Xuan's Dao Companion, Hua Hongzhen was already an elder with real authority in the Azure Firmament God Court. He was only one step away from attaining the God Lord Realm.
It could be said that Yu Xinyao had personally raised this Junior Brother, Hua Hongzhen, to maturity.
Out of love for the crow, Yi Dao Xuan also trusted and looked after Hua Hongzhen greatly.
Back when he learned that Hua Hongzhen's cultivation had encountered a bottleneck and that he could not attain the God Lord Realm despite all his efforts, Yi Dao Xuan had acted together with his wife, Yu Xinyao. They broke into a terrifying forbidden zone, risking nine deaths for one chance at life, and ultimately found an "Innate Dao Fruit," which they gave to Hua Hongzhen.
With that Innate Dao Fruit, Hua Hongzhen attained the Dao