Does Bolt know the 4th is his gramps?

[1Told]

he told him everything imo, look what he wrote on their statues!!!
Boruto must know, he wrote perv in the 3th face, obviously somebody told him some nice stuff about their ancestors XD

 

[Honord Sage]

The 3rd Hokage law is void,Everybody now knows Who Naruto's Parents were in every country.