Collateral consanguinity within three generations is a concept relative to lineal consanguinity, which refers to relatives who have blood relations with themselves within three generations. Lineal blood relatives refer to relatives who have direct blood relationship, that is, people who have given birth to themselves and their descendants. Both parents are included, such as parents and children, grandparents and grandchildren, grandparents and grandchildren.
Collateral blood relatives are relatives with indirect blood relationship, that is, relatives who are not lineal blood relatives but are of the same ancestry. Collateral blood relatives within three generations refer to relatives who are related to themselves within three generations, and the three generations here count as three generations from themselves.
Famous sayings about filial piety
1. A dutiful son should not make his relatives feel indifferent, worried, afraid, depressed and unspeakable shame. —— Yuan Cai
2. In this world, we always need to repay the most beautiful person, which is mother. Ostrovsky
We love our parents almost unconsciously, because this kind of love is as natural as human life, and only at the last moment of parting can we see how deep the roots of this feeling are. Maupassant
Parents who have suffered physical injuries dare not hurt them. At the beginning of filial piety, he stood on the street, and later generations became famous to show his parents. -Confucius
5. Filial sons don't flatter their relatives, loyal ministers don't flatter their princes, and courtiers thrive. -Zhuangzi