Possible Clues:

• Race starter - for the Lincoln!
• Biblical name meaning 'father of many'
• First patriarch and ancestor of the Hebrews
• Name thought to mean "father of many"
• Old Testament father of the Hebrew people
• E.g. Lincoln, assassinated by rebel, originally an actor
• Father of all the Jews (7)
• Hebrew patriarch from whom all Jews trace descent
• Founder of the Hebrew people
• Lincoln, perhaps