Some family resemblances are so striking that they leave people doing double takes. From parents and children who look like twins to grandparents and grandchildren who could pass as siblings, genetics can work in fascinating ways. In this article, we’ll explore 12 unbelievable cases where family genes created near-identical lookalikes—proving that sometimes, a DNA test is written all over the face!

1. My grandfather in 1945 VS me in 2022.

2. “My wife and daughter. Not sure that I contributed anything genetically.”

3. “My mum and me (1990), me and my daughter (2023).”

4. “My great-grandfather Mathias and myself 100 years apart.”

5. “My daughter (22) and me (79) senior photos.”

6. “My father then VS my brother now.”

7. “Me vs. My mom’s yearbook photo (1977)”

8. “Me and dad, just about the same age, some 30 years apart.”

9. “Me and my daughter, both at 4 years old.”

10. “My Great-grandma (late 1920s-30s) and Me (2024).”

11. “My mom and I in 1994 VS my daughter and I in 2024.”

12. “My grandfather’s ID picture at age 20 vs me at age 22.”

Time has a way of changing anything—sometimes so drastically, it’s hard to believe. Read more: 12 Powerful Photos That Show How Time Changes Everything