I've got cousins galore. Mexicans just spread all their seeds. And the women just pop them out.
Look at the Coen brothers. All their minor characters are as interesting as their protagonists. If the smaller characters are well-written, the whole world of the film becomes enriched. It's not the size of the thing, but the detail.
Whether the prayer of Seneca was granted we do not know; but, as we do not again hear of Marcus, it is probable that he died before his father, and that the line of Seneca, like that of so many great men, became extinct in the second generation.

