Ibn Jubayr
It is not known why three readers from Kufa were chosen. According to Al-Suyuti, a certain Ibn Jubayr al-Makki had compiled a list on five readings, each from a city where the caliph Uthman had sent an Uthmanic codex. Ibn Mujahid emulated Ibn Jubayr in including five readings, and added two from Kufa to substitute for the codices sent to Yemen and Bahrain, which had not been heard about since they were sent. Yasin Dutton suggests Ibn Mujahid found it difficult to only select one due to his familiarity with the city, hence the inclusion of three readers from three different generations.