The most common and most likely answer to this crossword clue is the 7 letter word COUSINS
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More clues leading to the result COUSINS
Buddy explains!

The straight part
We know that "members of the family" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case members of the family = cousins.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 COUSINS mean?
COUSINS noun- The child of a person's uncle or aunt; a first cousin.
- Any relation who is not a direct ancestor or descendant but part of one's extended family; one more distantly related than an uncle, aunt, granduncle, grandaunt, nephew, niece, grandnephew, grandniece, etc.
- A title formerly given by a king to a nobleman, particularly to those of the council. In English writs, etc., issued by the crown, it signifies any earl.
- Something kindred or related to something else.
- (chiefly in the plural) A member of the British intelligence services (from an American perspective) or of the American intelligence services (from a British perspective).