What a wonderful dogs!
Before choosing, you must know about their characters, weigh, and sizes. For family safety, dogs must be trained & socialized properly, so that they can be friends with you and your children.
1.Bullmastiff:
Brave, affectionate, and loyal
2.Doberman pinscher;
Alert, fearless,
3.Pitbull:
Fearless, fighter, highly trainable, banned in many countries
4.Rottweiler:
Reserved with strangers and affectionate and loyal to his family
5.Giant schnauzer:
with the stable temperament required in big dogs of great strength.
American PitBull Terrier is a most dangerous breed if not training and handling proper way.
Pit bull is the common name for a type of dog. Formal breeds often considered in North America to be of the pit bull type include the American Pit Bull Terrier, American Staffordshire Terrier, American Bully, and Staffordshire Bull Terrier.
Nice dogs.hehehe.