5 sentences

1. 他出身于名门大家。

   tā chū​shēn yú míng​mén dà​jiā.

   He was born into a prestigious and influential family.

   Source: Dong Chinese Dictionary

2. 她是名门出身的大家闺秀。

   tā shì míng​mén chū​shēn de dà​jiā​guī​xiù.

   She is a well-bred lady from a prominent family.

   Source: Dong Chinese Dictionary

3. 他出身于江南的一个名门大宗。

   tā chū​shēn yú Jiāng​nán de yī gè míng​mén dà​zōng.

   He comes from a prominent and influential clan in the Jiangnan region.

   Source: Dong Chinese Dictionary

4. 这位公子举止优雅，显然出身名门。

   zhè wèi gōng​zǐ jǔ​zhǐ yōu​yǎ, xiǎn​rán chū​shēn míng​mén.

   The young gentleman has elegant manners and clearly comes from a prestigious family.

   Source: Dong Chinese Dictionary

5. 他是名门后裔，谈吐举止都非常大方。

   tā shì míng​mén hòu yì, tán​tǔ jǔ​zhǐ dōu fēi​cháng dà​fang.

   He is the descendant of a prestigious family, and his speech and manners are very elegant.

   Source: Dong Chinese Dictionary