Yahya bin Sa'id (may Allah have mercy on him) says that a man used to lead people in prayer at a place called al-Aqiq, and Umar bin Abd al-Aziz (may Allah have mercy on him) stopped him from leading the prayer. Imam Malik (may Allah have mercy on him) says: His father was not known.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 5134