11 sentences

1. 他在家里排行最小。

   tā zài jiā lǐ pái​háng zuì xiǎo.

   He is the youngest in his family.

   Source: Dong Chinese Dictionary

2. 他在家里排行老幺。

   tā zài jiā lǐ pái​háng lǎo yāo.

   He is the youngest child in the family.

   Source: Dong Chinese Dictionary

3. 我在五个孩子里排行老三。

   wǒ zài wǔ gè hái​zi lǐ pái​háng lǎo​sān.

   I'm the third of five kids.

   Source: OpenSubtitles

4. 他在家中排行第二，上面还有一个姊。

   tā zài jiā zhōng pái​háng dì'èr, shàng​miàn hái yǒu yī gè zǐ.

   He is the second child in the family and has an elder sister.

   Source: Dong Chinese Dictionary

5. 孟、仲、季常用来表示兄弟排行的次序。

   mèng, zhòng, jì cháng yòng​lái biǎo​shì xiōng​dì pái​háng de cì​xù.

   Meng, Zhong, and Ji are often used to indicate the order of seniority among brothers.

   Source: Dong Chinese Dictionary

6. 在古代，兄弟排行最小的常被称为季。

   zài gǔ​dài, xiōng​dì pái​háng zuì xiǎo de cháng bèi chēng​wéi jì.

   In ancient times, the youngest among brothers was often called 'Ji'.

   Source: Dong Chinese Dictionary

7. 在兄弟排行中，伯代表的是家里的长子。

   zài xiōng​dì pái​háng zhōng, bó dài​biǎo de shì jiā​lǐ de zhǎng​zǐ.

   In the order of seniority among brothers, 'Bo' represents the eldest son of the family.

   Source: Dong Chinese Dictionary

8. 他在家里排行老大，下面还有两个妹妹。

   tā zài jiā​lǐ pái​háng lǎo​dà, xià​miàn hái yǒu liǎng gè mèi​mei.

   He is the eldest child in the family and has two younger sisters.

   Source: Dong Chinese Dictionary

9. 孔子名丘，字仲尼，因其在兄弟中排行第二。

   Kǒng​zǐ míng Qiū, zì zhòng ní, yīn qí zài xiōng​dì zhōng pái​háng dì'èr.

   Confucius was named Qiu, and his courtesy name was Zhongni, because he was the second oldest among his brothers.

   Source: Dong Chinese Dictionary

10. 他在家里排行最大，平时很照顾弟弟妹妹。

    tā zài jiā​lǐ pái​háng zuì dà, píng​shí hěn zhào​gu dì​di mèi​mei.

    He is the eldest in the family and usually takes good care of his younger siblings.

    Source: Dong Chinese Dictionary

11. 他在家里排行老大，所以从小就非常有责任心。

    tā zài jiā​lǐ pái​háng lǎo​dà, suǒ​yǐ cóng xiǎo jiù fēi​cháng yǒu zé​rèn​xīn.

    He is the eldest child in his family, so he has been very responsible since he was young.

    Source: Dong Chinese Dictionary