"3 Kids and a Shitty Dad series (although i dont think he come out that bad. Has wee!Cas also)
"http://zimothy.livejournal.com/617.html

and this awesome somewhat AU series where the Winchesters move next to the Novaks (kids Michael, Gabriel, Anna, Cas) after Mary dies in fire
(author master link post so you can get to both)
http://wildsky.wordpress.com/supernatural/

The Sound of Silence by wildsky_sheri (also on on deancastiel)
John’s POV. John’s not really sure what to make of the weird kid who seems to have mind-melded with his son.

if i was a cloud in the sky
John’s POV. “We wish to attend snufflegarten,” Castiel announces gravely, as if he’s delivering the Gettysburg Address, and John takes a moment to try to absorb what he’s just heard