Musannaf Ibn Abi Shayba 9:1788

Yazid ibn Harun narrated to us, he said: Sa'id informed us, from Qatadah, from Shahr ibn Hawshab, from Abd al-Rahman ibn Ghanam, from Amr ibn Kharijah, from the Prophet (peace and blessings of Allah be upon him), who said: "The child belongs to the bed."