Stunning German rottweiler

Stunning rottweiler male puppy knows basic commands house trained although may need few days to
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settle in new surroundings reason for sad sale is my older dog is very aggressive to him tried lots of advise but it's the same and I don't want him growing up thinking all dog are agressive hed love a friendly similar sized dog doesn't live with children but they visit and he's fine although bigger children best as he will be big and he's clumsy big dog experience would be good any questions please ask me