What is the relationship of a woman to her siblings through breastfeeding?

The questioner : Shaykh Muhammad, this questioner says: I was breastfed by one of my relatives five times. To what extent am I related to these relatives with whom I was breastfed?

The Shaykh : Yes. The relationship of the breastfed child to the relatives of the nursing mother is exactly like the relationship of blood kinship, based on the saying of the Prophet (peace and blessings be upon him) A woman breastfed a child, so she became his mother through breastfeeding, and her husband became his father through breastfeeding, and her siblings became his siblings through breastfeeding. Our brothers. In the fourth instance of breastfeeding. And is it a major sin? Okay. The important point is that the relationship of the breastfed child to the relatives of the nursing mother is like the relationship of a son to his mother's relatives, and we have mentioned the hadith ,