Translation guide
How to express that someone or something is connected by family, relevance, or association.
To say that someone is a family member of someone else.
States that A is a relative of B. Use 親戚 (しんせき) for 'relative'.
He is related to me.
Means A is a family member of B. 家族 (かぞく) is 'family'.
To say that something is connected to or about a topic.
Means A is related to B in terms of relevance or involvement. 関係 (かんけい) is 'relation'.
To say that someone is connected to a person, organization, or event.
Common way to say A has a connection with B. Can be used for people, groups, or events.
He is related to that incident.
While 関係 (かんけい) means 'relation', using it for family relationships can sound like 'having an affair' or a non-familial connection. For blood/marriage ties, use 親戚 (しんせき) or 家族 (かぞく).
She is related to me (she is family).
Says A and B are relatives. Useful when both parties are mentioned.
Mr. Tanaka and Mr. Suzuki are related.
This problem is related to the environment.
Similar to 関係している, but often used for more formal or systematic connections. 関連 (かんれん) is 'connection'.
This research is related to medicine.
Literally 'A is something about B'. Casual way to say it's related to a topic.
That book is related to history.
Implies involvement or being mixed up in something. 関わる (かかわる) can have a nuance of being involved, sometimes negatively.
She is related to that project.
Means A is a person related to B (e.g., a stakeholder or insider). 関係者 (かんけいしゃ) is 'related person'.
He is related to the company.