The most common and most likely answer to this crossword clue is the 7 letter word KINSHIP
I've seen this crossword clue in The Guardian
K
I
N
S
H
I
P
More clues leading to the result KINSHIP
- Core of workers in vessel showing affinity
- Popular woman almost gets to sleep around in relationship
- Ties last of livestock on board
- Linker could be so, showing connection
- Office of monarch ignoring government’s fellow feeling
- Sleep around in empty search for brotherly love
- Position of ruler lacking good rapport
- Could be Henry’s missing good trendy relationship
- Monarchy lacks good family relations
- 8a
Buddy explains!

The straight part
We know that "family relations" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case family relations = kinship.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 KINSHIP mean?
KINSHIP noun- Relation or connection by blood, marriage or adoption
- Relation or connection by nature or character