How much did Zach and Jeremy roloff weigh at birth?

Zach Roloff weighed 4 pounds, 9 ounces at birth, while his twin brother Jeremy weighed 6 pounds, 1 ounce. The twins were born on May 10, 1990, and both were diagnosed with dwarfism, a condition that has been a significant part of their story on the reality show "Little People, Big World."