cunhados
Cunhado is the term used in Portuguese to designate a relative by marriage, specifically the brother of one’s spouse or the husband of one’s sibling. The feminine form is cunhada, and the plural forms are cunhados for males and cunhadas for females. The relationship is described as parente por afinidade, meaning a relative by marriage rather than by blood.
In everyday use, cunhados are part of the extended family and often participate in family gatherings, holidays,
Cunhados may serve as allies or sources of friction within family networks, and social norms regarding interaction
See also: In-laws, family relationships, and kinship terminology in Portuguese-speaking cultures.