It is not permissible to give zakah to one’s parents instead of spending on them

I have a question about zakat and who it can be given to. This is my case, I would like to give the zakat money to my parents as my father is not working and is to old to do so,he has 4 children in his care one of which is 30 years old and disable, can i give my zakat to them or my sister as they all are a very poor family?

Praise be to Allah, and blessings and peace be upon the Messenger of Allah:

This question deals with two topics:

1 – The ruling on giving zakah to parents.

Shaykh Ibn Baz (may Allah have mercy on him) said: “The Muslim cannot give his zakah to his parents or to his children; rather he has to spend on them from his wealth if they need that and he is able to spend on them.”

From al-Fatawa al-Jaami’ah, vol. 1, p. 306

2 – Giving zakah to one’s siblings. Please se Question No. 21810.