The most common and most likely answer to this crossword clue is the 4 letter word CLAN
I've seen this crossword clue in Independent
C
L
A
N
More clues leading to the result CLAN
- Is able to house large family
- Immaculate but heartless tribe
- Tribe of 50 in prison
- Tribe about to take most of country
- Family in Copenhagen on vacation touring city
- . Families heading for Christmas on computer network
- Relations, first of all, can leave at noon
- Scottish group just started live set in prison
- Are they all partial to Gaelic language?
- Jailed Liberal group?
Buddy explains!

The straight part
We know that "Family" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case family = clan.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CLAN mean?
CLAN noun- A group of people all descended from a common ancestor, in fact or belief.
- A traditional social group of families in the Scottish Highlands having a common hereditary chieftain
- Any group defined by family ties with some sort of political unity.
- A group of players who habitually play on the same team in multiplayer games.
- A badger colony.