Parashas Eikev · Passuk 11:19
and teach them to your children—reciting them when you stay at home and when you are away, when you lie down and when you get up;
Torah Temimah points to Kiddushin.
TT lemma: את בניכם (unit 7 of 10).
English: “Your sons” — I know only your sons; from where do I derive your sons’ sons? It says in Vaeschanan: “Make them known to your children and your children’s children.”
Derash on the verse (Bavli sugya) — not a formal named middah of the 13
The Gemara uses this passuk in a sugya (proof, illustration, or dispute). Named as one of R' Yishmael’s 13 or R' Eliezer’s 32 only when that move is explicit.
The duty of transmission extends to the next generation beyond the immediate son.