The Chinese family relationship

Family title I found an interesting tool to learn the family relationship:
it’s amazing to me that how complicated Chinese people organize their family!
For example:your father's father = 祖父(爷爷)
your father's brother = 伯父(大伯) or 叔父(叔叔)
your borther's son = 侄子
your sister's son = 外甥
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