Person
Abd ad-Dar ibn Qusai
عبد الدار بن قصي
Lifespan unknown Quraysh
Abd ad-Dar ibn Qusai was the firstborn son of Qusai who was invested with his father's rights and ownership of the House of Assembly, leading to a dispute with his brother Abd Manaf.
Significance
Firstborn son of Qusai ibn Kilab who inherited his father's rights and powers
Reputation in tradition
mixed in tradition
Sources: Wikipedia and classical Islamic biographical literature compiled by automated researchers. Every page is being continuously refined — if something looks off, please check back in a few days.