The term affinity by marriage refers to the relationship between a person and their spouse's family. Synonyms for this phrase include related by marriage, connected by marriage, in-laws, marital affinity, marital connection, and marriage ties. These terms all reflect the close bond between family members who are united through marriage, and they highlight the importance of family relationships in many cultures. Whether it's through shared experiences, shared values, or simply a deep emotional connection, affinity by marriage represents a powerful bond that can enrich our lives and provide important support when we need it most.