German Shepherd: An excellent choice for senior citizens 

Doberman Pinscher: Good with children but not the best with other animals 

Saint Bernard: Another good choice for senior dogs 

Inside look

Inside look

Inside look

Inside look

Boxer: Allows for exercise and can be trained easily

Golden Retriever: Very loyal and easy to train 

Labrador Retriever: Good with children but not the best with other animals 

Australian Cattle Dog: Good with children but not the best with other animals 

American Kong-type dog: Good with both children and adults