Maryland Man Takes DNA Test Of Rescue Dog And Uncovers A Shocking Surprise

By Chris Smith 01/18/2026

Have you ever looked at your rescue dog and wondered about their past? Sometimes, no matter how much we try to guess, the answers remain a mystery. Other times, we realize that love is all we need and simply enjoy the time spent together.

That’s how Max Matthai from Baltimore, Maryland, felt about his dog, Louie.

For almost two years, Max loved his loyal companion without giving much thought to his breed. But curiosity eventually took over, and when Max decided to find out, the results left him shocked.

A Dog Like No Other


From the first moment Max saw Louie’s photo on a Texas rescue site, he knew this was his dog. Louie’s one-of-a-kind look stood out instantly, and Max didn’t hesitate to adopt him.

Over time, Louie grew into a strong, 70-pound bundle of energy, always ready for a walk, a swim, or a new adventure.

Although Max couldn’t pinpoint his dog’s breed, he often guessed that Louie had some Retriever or Collie in him. Louie’s shiny coat, playful smile, and easygoing nature seemed to match those breeds perfectly.


Adding to the mystery, Louie loved the water, adored hiking, and had boundless enthusiasm — traits that made the Retriever theory sound convincing.

But the questions never stopped. Friends, family, and even strangers would ask about Louie’s background, and each time, Max found himself wondering too. Eventually, he decided to take matters into his own hands and solve the mystery through a DNA test.

What he found left him completely speechless.

The Truth Comes Out


When the DNA results arrived, Max could hardly believe what he was reading. Louie wasn’t a Retriever or a Collie at all.

The test revealed that Louie’s mother was a purebred German Shepherd, making him about 30 percent Shepherd. He also carried roughly 20 percent Great Pyrenees, along with traces of several other breeds.

The results completely changed what Max thought he knew.

“My beautiful boy Louie! He’s a German Shepherd/Great Pyrenees mix,” Max wrote on Reddit.

The post quickly went viral, and other dog owners chimed in with their own experiences.

“I’ve got one of those. All the athleticism and energy of a Shepherd with the resource guarding and barking of a Pyr,” one commenter shared.

“Louie is ultra ultra nice and sweet, what a baby he is,” another user wrote.

Even with the surprising news, Max’s love for Louie didn’t change. He was still the same affectionate and spirited dog who made every day brighter.

Now, Louie gets to proudly wear his true heritage, but to Max, labels don’t matter. Whether part Shepherd, part Pyrenees, or a mix of many breeds, Louie is, and always will be, 100 percent loved.

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