Complex sentence: According to Antiochus, the total Christian death toll was 66,509, of which 24,518 corpses were found at Mamilla, many more than were found anywhere else in the city.
Split into simpler sentences: According to Antiochus, the total Christian death toll was 66,509. The greatest number where found at Mamilla 24,518 corpses; many more than were found anywhere else in the city.