Musnad Ahmad 403:12

Abdullah ibn Ahmad said: Abu Humayd narrated to me, he said: Abd al-Wahhab ibn Najdah narrated to us, he said: Isma'il ibn 'Ayyash narrated to us, he said: Ja'far ibn al-Harith narrated to me, from Muhammad ibn Ishaq, from al-Zuhri, from Ubayd Allah ibn Abd Allah ibn Utbah ibn Mas'ud, from Ibn Abbas, from al-Sa'b ibn Jaththama al-Laythi, who said: I asked the Messenger of Allah, peace and blessings of Allah be upon him, about the homes from the homes of the polytheists that we raid by night, so what about those who are among them during the raid from the children? He said: "They are of them."