The phrase "be of family" can be used to indicate a person's connection to a particular clan or lineage. Synonyms for this phrase might include "belong to a family," "descend from a family," or "trace one's roots to a family." Other possible alternatives might include "hail from a family," "be a member of a family," or "have familial ties." Ultimately, any of these phrases can be used to express the idea that a person has a familial affiliation or connection that is important to them. Whether exploring genealogy, celebrating cultural traditions, or simply cherishing one's family ties, there are many different ways to express the concept of "being of family".