They are just mutts; Cross-breeds, hybrids. Looks like more Production birds..... maybe Productions Blues now.
The one line sounds a lot like a Cream Legbar (with out the barring gene) The Cream Legbar is basically a Araucana[FONT=Verdana, Arial, Helvetica, sans-serif], Brown Leghorn, Barred Rock cross.[/FONT]
[FONT=Verdana, Arial, Helvetica, sans-serif]Chris[/FONT]