Coaches
Head coaching tree
Coaches assistants who later became FBS head coaches and then theirs and so on and so on.
Conference
Team
Ken Hatfield · Air Force 1979-83, Arkansas 1984-89, Clemson 1990-93, Rice 1994-05
149 FBS head coaches in his tree, up to six generations. Coaching data from Wikipedia.
Show149 head coaches · confirmed by a second source · Wikipedia only · ▌current Power 4 head coach · ▌current FBS head coach · + ranked
His full career and every staff link: his coach page.