Simplify the following text for a Grade 7 native English-speaking person.
Original: Umayya was son of Abd Shams ibn Abd Manaf , and the father of Harb ibn Umayya and Abu al - ` As .
Simplified: Umayya was the son of Abd Shams ibn Abd Manaf , and the father of Harb ibn Umayya and Abu al - ` As .