family reunion

US /ˈfæm.əl.i ˌriːˈjuː.ni.ən/
UK /ˈfæm.əl.i ˌriːˈjuː.ni.ən/
"family reunion" picture
1.

a social gathering of members of the same family, especially after a period of separation

:
We're planning a big family reunion next summer.
The annual family reunion is always a joyous occasion.