The Probert Encyclopaedia of Heraldry

FLEUR-DE-LYS

The fleur-de-Lys (flower of lily) is an heraldic representation of an iris or garden lily. It was the armorial bearing of the Kings of France from 1147 and was also borne by some English families. The Fleur-de-Lys is a cadency mark for the sixth son.
Research Fleur-de-Lys