Sayyiduna Abdullah bin Abbas (may Allah be pleased with them both) said: I am among those whom the Messenger of Allah (peace and blessings be upon him) sent ahead on the night of Muzdalifah along with his family.
In the narration of Imam al-Shafi'i (may Allah have mercy on him) it says: I was among those whom the Messenger of Allah (peace and blessings be upon him) sent ahead with his family, because of (their) weakness, from Muzdalifah to Mina.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9508