The filial duty Ellesmere had paid to a father, who had no other claim to it than that he was his father, was now consoling to him D'Alonville; ...
puhekieltä Respectful of the duties and attitudes of a son or daughter toward their parents.
1885, w:Confucius Confucius, "The actions and Attitude of Filiality", translated by James Legge,Cited in Robert E. Van Voorst (ed.) (2005), Anthology of world scriptures, ISBN 0-534-52099-5
If the admonition to the parent does not take effect, the son will be more reverential and more filial; ...
This, following Bateson, we may call the parental generation or P generation. Subsequent generations are called filial generations (abbreviated F) and their numerical order is indicated by a subscript, ...