These are the sons of Leah whom she bore to Yaakov in Paddan-aram, and Dinah his daughter; all the persons of his sons and his daughters were thirty-three.
English: “All the persons of his sons and his daughters were thirty-three” — this teaches that the descendants of Leah, including Dinah, numbered thirty-three souls who went down to Egypt.
On the daf / in context: Part of the carefully constructed total of seventy souls.
Type of Learning
Derash on the verse (midrashic count) — not a formal named middah of the 13.
What Is Learned
Leah’s line contributed thirty-three souls to the household that went down to Egypt.