Which three generations are the direct three generations?

Spouse, parents, children. Lineal relatives refer to people who have direct blood relationship or marriage relationship with themselves, that is, lineal blood relatives and lineal in-laws, such as spouses, parents, children, grandparents and grandchildren. Therefore, the scope of three generations of immediate family members includes spouse, parents and children.

Calculation of lineal blood relatives:

I am a generation, and my parents and grandparents are three generations.

I count myself as one generation, the next generation, and my grandchildren as three generations.

Collateral blood relatives within three generations

(1), half-brothers and sisters. Including half-blood brothers and sisters, half-blood brothers and sisters. Half brothers and sisters are nominally brothers and sisters, but they are not related by blood.

(two) the next generation of collateral relatives who are the same as grandparents, including uncles, aunts, nephews, nieces, uncles, aunts, nephews and nieces.

(3) Peer collateral relatives from grandparents, including cousins.