Popsugar Celebrity John Stamos How Many Kids Does John Stamos Have? John Stamos Says Fatherhood Is the "Greatest Blessing of My Life" — Meet His Son Billy April 13, 2023 by Alessia Santoro First Published: July 24, 2019 View On One Page Photo 4 of 42 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by John Stamos (@johnstamos) Share This Link Copy ← Use Arrow Keys → 4 Previous Next Start Slideshow Celebrity InstagramsJohn StamosCelebrity FamiliesCelebrity KidsCaitlin McHugh