He was born in Whittier, California to Leo Allison, a car salesman, and Stella Bradford.
He is the son of Nelson Burton, Sr., who himself was a successful bowler in his day, competing with the likes of Glenn Allison and Billy Welu.
Glenn Allison, who bowled an uncertified 900 series in 1982, is skeptical of Robert's achievements, as is pro bowler and Team USA coach Tim Mack.
Glenn Miller | John Glenn | Glenn Beck | Glenn Ford | Glenn L. Martin Company | Glenn Hughes | Glenn Danzig | Glenn Close | Glenn Beck Program | Glenn Scobey Warner | Glenn McGrath | Glenn Branca | Glenn Hoddle | Glenn Miller Orchestra | Glenn Worf | Glenn Yarbrough | Glenn Research Center | Glenn Kotche | Glenn Curtiss | Mose Allison | Glenn T. Seaborg | Glenn Shorrock | Allison Miller | William B. Allison | Glenn Tilbrook | Glenn McCoy | Glenn Greenwald | Glenn Gould | Glenn Frey | Glenn Donaldson |