Aunt, uncle, are these relatives?

Aunt, uncle, uncle, these people and your father are brothers and sisters, related by blood. Of course, they are related. But now the society is becoming more and more impetuous, and the relationship between people is becoming more and more complicated, that is, brothers and sisters are turning against each other, so relatives or relatives are moving around and contacting each other. Long-term contact is a relative, and short-term contact will make relatives unfamiliar.