The Ruling on One Who Embraced Islam Before Her Mind Was Lost

Question:
A woman entered Islam when she was old in age, so she testified to the two testimonies and left the cross, but she was afflicted with an illness, and this illness sometimes deprives her of her mind, so her children say: What is required of her?

Answer:
She remains upon her Islam, praise be to Allah, and she should be treated kindly, and if she dies, she should be washed and prayed over; because she embraced Islam before her mind was lost.
Q: And they also say: That their mother is a disbeliever, so when she passes away, they will take her with the disbelievers and bury her with the disbelievers, so what should they do?
A: It is obligatory for the Muslims there to take charge of her; the Islamic centers and the Islamic community around her should be alerted, and they should be notified about her so that they take charge of her.
Q: They are two brothers in this region who entered Islam, and, with Allah’s permission, they took their grandmother?
A: The Muslims take charge of her; it is incumbent upon the Muslims there to strive to take charge of their sister in Allah, taking charge of her instead of her disbelieving relatives by being kind to her, washing her, praying over her, and burying her in the Muslim cemeteries; her brothers in Allah take charge of her, but with gentleness, kind words, and in a manner that does not lead to conflict.
Q: And if they are unable to do so?
A: [Al-Taghabun:16].