Franciscus Vieta (Francois Viete) named it Specious Arithmetic, on account of the species of the quantities involved, which he represented symbolically by the various letters of the alphabet.
Francois Hedelin, abbe d'Aubignac >>
The family produced not a few turbulent warriors during the Hundred Years' War, and the cardinal's father, Francois du Plessis, seigneur de Richelieu, began his career by killing the murderer of his elder brother and then fighting through the wars of religion, first as a favourite of Henry III., and after his death under Henry IV.
The mother of the cardinal, Susanne de La Porte, belonged to a family of the magistrature, her father, Francois de La Porte, being one of the first advocates of the parlement of Paris.
Louis Francois Armand du Plessis, duc de Richelieu >>