Here are some of the friendliest dog breeds known for being good with kids and well-suited for families:

1. Labrador Retriever: Labrador Retrievers are renowned for their friendly and gentle nature. They are patient, loyal, and highly tolerant, making them excellent companions for children of all ages. Labs are known for their love of play and are often very protective of their families.
2. Golden Retriever: Golden Retrievers are famously friendly and gentle dogs. They are patient, trustworthy, and reliable, making them ideal for families with kids. Goldens are known for their intelligence and adaptability, and they form strong bonds with their human family members.
3. Beagle: Beagles are small to medium-sized dogs with a friendly and sociable nature. They have a playful and outgoing temperament, making them great companions for children. Beagles are generally patient and tolerant, and they enjoy being part of family activities.
4. Cavalier King Charles Spaniel: Cavalier King Charles Spaniels are affectionate and gentle dogs that make wonderful family pets. They are known for their loving and sociable nature, and they often form strong bonds with children. Cavaliers are adaptable and can thrive in various living situations.
5. Boxer: Boxers are energetic and friendly dogs that are typically good with children. They have a playful and exuberant personality, and their protective nature makes them excellent family guardians. Boxers are known for their patience and loyalty, making them a popular choice for families.
6. Bichon Frise: Bichon Frises are small, cheerful, and affectionate dogs. They are known for their friendly and sociable nature, making them great companions for children. Bichons generally have a calm and patient temperament, and they love being part of family activities.
7. Cavalier Bichon (Cavachon): The Cavachon is a crossbreed between a Cavalier King Charles Spaniel and a Bichon Frise. These dogs inherit the friendly and sociable traits from both parent breeds, making them a wonderful choice for families. They are typically affectionate, adaptable, and good with kids.
8. Collie: Collies, especially Rough Collies and Border Collies, are intelligent and protective dogs that can be excellent family pets. They are generally gentle and patient with children, and they have a strong instinct to watch over and protect their loved ones.
9. Newfoundland: Newfoundland dogs are large and gentle giants known for their kind and patient nature. They are incredibly gentle and tolerant, making them great with children. Newfoundland dogs are also known to be natural water rescuers and are very protective of their family members.
10. Vizsla: Vizslas are affectionate and gentle dogs that can make excellent family companions. They are known for their loyalty and their ability to get along well with children. Vizslas thrive on human companionship and enjoy participating in family activities.

While these breeds are generally considered friendly and good with kids, it’s important to remember that individual dog temperaments can vary. Proper socialization, training, and supervision are key to ensure a harmonious and safe relationship between dogs and children.