Musannaf Ibn Abi Shayba 13:902

Abu Bakr narrated to us, he said: Abd al-A’la narrated to us, from Ibn Abi Arubah, from Qatadah, that Abu al-Khalil bequeathed that there be given to his wife a gift (nahl) that he had gifted to her, out of caution (taharruj) regarding it.