Zachary Luke "Zach" was born on May 10, 1990 twin brother to Jeremy. Zach has achondroplasia like his mother. Zach is 4 ft 4.
Jeremy James "Jer" was born on May 10, 1990 twin brother to Zach. Jeremy is 6'1" and is not dwarf and is married now.
Molly Jo "Mol" born on September 17, 1993, is the daughter of the two and she shares the same birthday with her mother Amy, is 5'7".
Matthew James "Matt" Roloff is an American television personality, author, farmer, business entrepreneur, and motivational speaker.
Jacob George "Jake" was born on January 17, 1997, is the son and Jacob is of average height. Jacob moved out of the family home soon after turning 18.