´Narrated 'Ali:` "I did not hear the Prophet (ﷺ) mentioning both of his parents (that is including both in the saying "May my father and mother be ransomed for you") for anyone other than Sa'd bin Abi Waqqas."
Explanation & Benefits
Shaykh Dr. Abdur Rahman Freywai
Explanation:
1:
That is, (fidaka abi wa ummi) ("may my father and mother be sacrificed for you")—I have not heard this being said for anyone except Sa'd ibn Abi Waqqas.
Its usage for Sa'd proves that this phrase can also be said for others as well.
Source: Sunan al-Tirmidhi – Majlis ‘Ilmi Dar al-Da‘wah, New Delhi Edition, Page: 2828