Sahih Muslim Book 27, Hadith 1

Allah, the Great and Majestic, forbids you to swear by your fathers. Umar said: By Allah. I have never sworn (by my father) since I heard Allah's Messenger (ﷺ) forbidding it mentioning them" on my behalf" nor on behalf of someone else.

Previous Hadith

The expiation of the (breach of) a vow is the same as that of the (breach of an oath).

Sahih Muslim Book 26, Hadith 18
Next Hadith

" I did not take oath by (anyone else except Allah) since I heard Allah's Messenger forbidding it. nor did I speak in such terms, and the narrator did not say," on my own behalf or on behalf of someone else".

Sahih Muslim Book 27, Hadith 2