In one narration the words are: Khaythamah narrates this from his father: In the Days of Ignorance (Jahiliyyah) my father's name was Aziz, so the Prophet (peace and blessings be upon him) named him Abd al-Rahman.
Ahmad recorded it with various chains whose narrators are the narrators of the Sahih, but the first two narrations apparently appear to be mursal.
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الأدب / 12848