Q: Did the Prophet sallallahu alaihi wa sallam have other siblings?
A: It is recorded in Al Khasaa’isul Kubraa (V1 P73) of Allaamah Suyuti (Rahmatullaahi Alayh) that his mother did not give birth to anyone besides him, i.e. Rasulullah (Sallallaahu Alayhi wa Sallam).
Allah Ta’aala knows best.
Moulana Yusuf Laher
This answer was collected from AskMufti.co.za, which is operated under the supervision of Mufti Siraj Desai of Darul-Uloom Abubakr, South Africa.