2 sentences for 一家人 (yī​jiā​rén — the whole family)

1. 我们一家人必须团结在一起。

   wǒ​men yī​jiā​rén bì​xū tuán​jié zài​yī​qǐ.

   We have to stick together as a family.

   Source: OpenSubtitles

2. 他们一家人去年夏天去科罗拉多自驾游了。

   tā​men yī​jiā​rén qù​nián xià​tiān qù Kē​luó​lā​duō zì​jià​yóu le.

   Their family went on a road trip to Colorado last summer.

   Source: Dong Chinese Dictionary