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

1. 我们一家人打算去旅游。

   wǒ​men yī​jiā​rén dǎ​suàn qù lǚ​yóu.

   Our family is planning to go on a trip.

   Source: Dong Chinese Dictionary

2. 我们一家人打算趁着假期，去田纳西州的山区避暑。

   wǒ​men yī​jiā​rén dǎ​suàn chèn​zhe jià​qī, qù Tián​nà​xī​zhōu de shān​qū bì​shǔ.

   Our family plans to take advantage of the holiday to go to the mountains of Tennessee to escape the heat.

   Source: Dong Chinese Dictionary