The Messenger of Allah ﷺ cursed anyone who separates a mother from her child or a brother from his brother.
حدثنا محمد بن عمر بن هياج حدثنا عبيد الله بن موسى أنبأنا إبراهيم بن إسمعيل عن طليق بن عمران عن أبي بردة
لعن رسول الله ﷺ من فرق بين الوالدة وولدها وبين الأخ وبين أخيه
[Its chain is daif] It was narrated by Bayhaqi, 9/128, from the hadith of Ubaydullah bin Musa, with this wording, and he said, "This Ibrahim bin Ismail bin Mujammi cannot be relied upon." See also, no. 1069. The chain was also declared daif by Busiri.