The Holt Family is a family of five (six, including Arnold, the family pet, who is a pitbull) who joined the 39 Clues Hunt. They're known to be buff, strong, not very bright (in some cases), and speedy. Eisenhower seems to be the leader. They are very strong and talented in physical activities. They have also been teased by the other branches about their lack of smartness. In the clue hunt they planned to show they other Cahill's that they arent dolts.