When it comes to talking about relationships, the term "in family" is often used to describe someone who is related to another person. However, there are several other synonyms for this phrase that can be used depending on the context. These synonyms include "kin", "blood relation", "family member", "relative", and "clan member". While these terms all refer to someone who is part of a family unit, they each have their own nuances and implications. For example, "kin" can be used to describe both close and distant relations, while "blood relation" emphasizes a biological connection. Ultimately, the choice of synonym will depend on the specific relationship being discussed and the speaker's own personal preferences.