Hadith 8:991
Abu Bakr narrated to us, he said: Waki’ narrated to us, from Ibn Nafi’, from his father, who said: Ibn Umar was a bald man. So, whenever he performed Hajj or Umrah, he would pass the razor over his head.
حدثنا أبو بكر قال حدثنا وكيع عن بن نافع عن أبيه قال كان بن عمر رجل أصلع فكان إذا حج أو اعتمر أمر على رأسه الموسى