The Second Prince in Joy of Life was the son of the Qing Emperor and Noble Consort Shu. His name was Li Chengze.

The Great Prince of the Qing Dynasty was the son of the Qing Emperor and the female slave, Ning Cairen.
Joy of Life's Second Prince was Li Chengze, born of the Qing Emperor and Noble Consort Shu.
In Joy of Life, Zhan Doudou gave birth to a child, a daughter named Red Bean Rice. There was no mention of Zhan Doudou giving birth to other children.
The second sister in Joy of Life was Li Chengze, born from the Qing Emperor and Noble Consort Shu.
The First Prince's name was not explicitly mentioned in Joy of Life.
In Joy of Life, the Eldest Princess and the Qing Emperor had indeed given birth to a child named Lin Dabao. In order to cover up their identity as illegitimate children, the Eldest Princess lied that Dabao was the son of Prime Minister Lin Ruofu and sent him to the Lin family to be raised. Da Bao's true identity was the illegitimate child of the Qing Emperor and the Eldest Princess. Even though Da Bao looked a little silly, he was not a fool.
Yes, in Joy of Life, the Eldest Princess and the Qing Emperor had indeed given birth to a child named Lin Dabao. In order to cover up their identity as illegitimate children, the Eldest Princess lied that Dabao was the son of Prime Minister Lin Ruofu and sent him to the Lin family to be raised. Da Bao's true identity was the illegitimate child of the Qing Emperor and the Eldest Princess. Although Da Bao looked a little silly, he was not a fool. He just had a low IQ.
Yes, in Joy of Life, the Eldest Princess and the Qing Emperor had indeed given birth to a child named Lin Dabao. In order to cover up their identity as illegitimate children, the Eldest Princess lied that Dabao was the son of Prime Minister Lin Ruofu and sent him to the Lin family to be raised. Da Bao's true identity was the illegitimate child of the Qing Emperor and the Eldest Princess. Although Da Bao looked a little silly, he was not a fool. He just had a slightly low IQ.
In Joy of Life, the Eldest Princess and the Qing Emperor had indeed given birth to a child named Lin Dabao. In order to cover up their identity as illegitimate children, the Eldest Princess lied that Dabao was the son of Prime Minister Lin Ruofu and sent him to the Lin family to be raised. Da Bao's true identity was the illegitimate child of the Qing Emperor and the Eldest Princess. Although Da Bao looked a little silly, he was not a fool. He just had a slightly low IQ.
In Joy of Life, the Eldest Princess and the Qing Emperor had indeed given birth to a child named Lin Dabao. In order to cover up their identity as illegitimate children, the Eldest Princess lied that Dabao was the son of Prime Minister Lin Ruofu and sent him to the Lin family to be raised. Da Bao's true identity was the illegitimate child of the Qing Emperor and the Eldest Princess. Although Da Bao looked like he had a low IQ, he was not a fool. He became the leader of the ascetics in the temple, Da Hong Pao, and played an important role in the play.