Complex sentence: Abu Jafar Ahmad ibn Yusuf ibn al ‐ Kammad (d.1195) was a Muslim astronomer born in Seville, Al-Andalus he is known to have been educated in Cordoba by the students of Al-Zarqali.
Split into simpler sentences: Abu Jafar Ahmad ibn Yusuf ibn al ‐ Kammad (d.1195) was a Muslim astronomer born in Seville, Al-Andalus. He is known to have been educated in Cordoba by the students of Al-Zarqali.