During nearly 200 years and four generations the family counted 14 fiddle makers, many of them among the most important in the fiddle-maker tradition in Norway.
Olav Gunnarson Helland settled in Notodden, Telemark, Norway in 1896 and established a Hardanger fiddle workshop.
John Gunnarson Helland settled in Skien, Telemark, Norway and ran a workshop and a music shop until his death in 1977.
Jon Eilevsson learned his trade from his father, Eilev Jonsson Steintjønndalen, and became a fine violin maker.
The great Hardanger fiddle player Halvor Jøren from Bø brought one, named "The Troll", with him to the US, where it disappeared.