Kang Xi's first son, Yin He, was stripped of his title and imprisoned for plotting against the Crown Prince. He died in the 12th year of Yongzheng.
Kangxi's first son was born when he was 13 years old.
Kang Xi's first son was called Yin Rui.
The mother of Kangxi's first son was Consort Rong Ma Jia.
Kangxi's first son was born to Consort Rong, Ma Jia.
The reason why Kangxi's first son, Yinreng, was not the crown prince was because Emperor Kangxi had made him the crown prince when Yinreng was still a baby and had given him all his love. Kangxi had deep feelings for Yinreng, so he did not choose any other son to be the crown prince. Therefore, Kangxi's first son, Yinreng, became the first crown prince of the Qing Dynasty.
The fate of Kang Xi's 17th son, Yin Li, was unknown.
Kangxi's first child was Aisin Gioro Chengrui, who was born in September of the sixth year of Kangxi (August 8, 1667). Unfortunately, the child died at the age of three.
Kangxi's son, Yin Zhen, inherited the throne and became Emperor Yongzheng.