Simplify the following text for a Grade 8 native English-speaking person.
Original: â Abdu ManÄ f married a woman named Atikah and had six sons : Abd Shams ibn Abd Manaf , Nawfal , Hashim ibn Abd Manaf ( after whom the Banu Hashim clan was named ) , Muttalib ibn Abd Manaf , Hala and Barra .
Simplified: Abd Manaf ibn Qusai ( Arabic : ) is the person , whom the clan of Banu Abd Manaf is named after .