Clay Matthews Sr. has passed away. He was the patriarch of the NFL's greatest bloodline. : r/GreenBayPackers
Football patriarch Clay Matthews Sr. dies at 88
49ers News – Page 195 – KNBR
Head of Football's First Family, Clay Matthews Sr, dead at 88
Clay Matthews Sr., football family patriarch, dies at 88
Former Browns linebacker Clay Matthews Jr., owner Art Modell named senior, contributor Pro Football Hall of Fame semifinalists
49ers News – Page 151 – KNBR
Baseball Musings: Pitchers Archives
49ers News – Page 195 – KNBR
Clay Matthews Sr., football family patriarch, dies at 88
Why Clay Matthews Jr. Deserves to be Among the Best of the Best at the Pro Football Hall of Fame
scalaLDAvis/examples/tmp/scalaLDAvis/vocab/part-00000 at master · iaja/scalaLDAvis · GitHub
Clay Matthews Sr., football family patriarch, dies at 88