Father's brother can be called Uncle or uncle. An uncle can also be called a male elder who is older than his father. Uncle is also a name for ordinary middle-aged and elderly men. Uncle is also a respectful title for his friends, classmates and colleagues. Uncle can also be a respectful name for the father of a lover (boyfriend and girlfriend).
The uncle belongs to collateral blood relatives, and the biological children, grandchildren and grandchildren from his own down are all direct blood relatives of the younger generation, and are relatives of the same blood relationship with himself; Brothers and sisters, uncles, uncles, aunts, nephews and nephews are collateral blood relatives.
Other terms of father relationship
1. Dad's brother
They are called "Uncle dad", "Uncle dad", "several dads", "several dads", etc. Written language or outsiders call it "Uncle" and "subordinate father".
2. Dad's sister
Oral names such as "aunt", "girl", "aunt dad", etc. Written language or outsiders call it "aunt".
3. Dad's mom
Colloquially, they are called "grandma", "nanny", "zupo" and "nanny". Written language or outsiders call them "grandmother", "grandmother", "eldest mother" and "Queen Mother".
4. Dad's dad
It is colloquially called "Grandpa", "grandfather", "milk Lord", "milk father", "master", "milk Lord". Written language or outsiders call them "grandfather", "milk Lord", "big father" and "king father".