Sidrinnai is a boy and a girl.

"Happy to have your son" is a widely circulated idiom, which means that the boy is very happy. The corresponding idiom is "I am glad to have a phoenix", which means I am glad to have a girl.

In the traditional culture of China, Lin and Phoenix are regarded as auspicious symbols, representing happiness, auspiciousness and bright future. Therefore, with the joy of Lin Er and the joy of Phoenix, it is regarded as a great happy event and a blessing for family and society.