The fleur de lis is a one of the symbols of the true Hebrew bloodline. "Flower of Lily" In Hebrew it is called shoshan. The Israelites regarded the lily as the choicest among flowers. In ancient Hebrew poetry, the lily was always a favorite simile as a symbol of purity. King Solomon referred to the lily of the valleys, shoshanat haa'maqim, in his Song of Songs 2:1.