This classic German fairy tale tells the story of six brothers who are turned into swans by their wicked stepmother. The youngest of the brothers, a brave and determined young girl, must break the spell by sewing six shirts made of starwort, a magical plant, without speaking a single
From Wikipedia
"The Six Swans" is a German fairy tale collected by the Brothers Grimm in Grimm's Fairy Tales in 1812. It is of Aarne–Thompson type 451, commonly found throughout Europe. Other tales of this type include The Seven Ravens, The Twelve Wild Ducks, Udea and her Seven Brothers, The Wild Swans, and The Twelve Brothers. Andrew Lang included a variant of the tale in The Yellow Fairy Book.