Freddy has twice as many siblings as Helen.
Helen has three times as many siblings as Amir.
Amir has 1 sibling.
How many siblings does Freddy have?
Helen has 3 * 1 = <<3*1=3>>3 siblings.
Freddy has 2 * 3 = <<2*3=6>>6 siblings. Answer: \boxed{6}.
Helen has three times as many siblings as Amir.
Amir has 1 sibling.
How many siblings does Freddy have?
Freddy has 2 * 3 = <<2*3=6>>6 siblings. Answer: \boxed{6}.