THIRD AND DATA

Coaches

Head coaching tree

Coaches assistants who later became FBS head coaches and then theirs and so on and so on.

Conference
Team

Bobby Petrino · Louisville 2003-17, Arkansas 2008-25, Western Kentucky 2013-18

14 FBS head coaches in his tree, up to six generations. Coaching data from Wikipedia.

Show14 head coaches · confirmed by a second source · Wikipedia only · ▌current Power 4 head coach · ▌current FBS head coach · + ranked
Jeff Brohm *Western Kentucky 2014-16, Purdue 2017-22, Louisville 2023-assistant 2003-06 at Louisville; OC 2013 at Western Kentucky · also 1
Will Stein *+Kentucky 2026-analyst 2014 at Louisville
Paul PetrinoIdaho 2013-17OC 2003-06 at Louisville; OC 2008-09 at Arkansas
Tony LevineHouston 2012-14staff 2003, ST coordinator 2004-05 at Louisville
Garrick McGeeUAB 2012-13assistant 2008-09, OC 2010-11 at Arkansas
Lorenzo WardLouisville 2018assistant 2008 at Arkansas; assistant 2017 at Louisville
Nick PetrinoMissouri State 2025staff 2010-11 at Arkansas; GA 2013 at Western Kentucky; GA 2014-15, assistant 2016-17 at Louisville · also 1
Bobby PetrinoLouisville 2003-17, Arkansas 2008-25, Western Kentucky 2013-18

His full career and every staff link: his coach page.