Kim's daughter unveiled last week is his 2nd child

The daughter of North Korean leader Kim Jong Un who recently made her first public appearance at a missile launch site is his second child.

On Saturday, North Korea said that Kim observed the launch of the country's most powerful international continental ballistic missile with his wife Ri Sol Ju and their "beloved daughter."The daughter's unveiling was North Korea's first official confirmation of her existence. The North's state media didn't disclose the age, name and other details of Kim's daughter unveiled last week.