They're good. But if the mom as you said is fighting her son, it's normal, usually cat moms start pushing their kittens away when they reach 2.5 months old, by hitting them and stuff. When they're 3 months old, they are like by themselves. Esp if the mom was a Stray cat.
Winner of the chuvivor That means I'm the Catvivor =D
[Married to Pee <3]
Lamile + Me + Go = Epic! Christine x Rami x lamile~ ^o^v