2 sentences

1. 我们有一对儿女。

   wǒ​men yǒu yī duì ér​nǚ.

   We have a son and a daughter.

   Source: OpenSubtitles

2. 她有一对儿女。

   tā yǒu yī duì ér​nǚ.

   She has a son and a daughter.

   Source: Dong Chinese Dictionary