Robert Duval had at least 2 sons and 1 daughter with Georgeana Kent.
Some characteristic forenames: French Andre, Armand, Pierre, Lucien, Marcel, Fernand, Edouard, Jacques, Normand, Rosaire, Alcide, Arsene.
French, Walloon, Breton (of French origin), and Haitian: topographic name for someone ‘from the valley’, from (Old) French val ‘valley’ (see Val ), with fused preposition and definite article du ‘from the’; or a habitational name for someone from Le Val, the name of several places in various parts of France and in Belgium (Wallonia) named with this word. This surname is also established in the Dominican Republic. It is also found England, where it is in part of Huguenot origin. Compare Devall , Deville , and Duvall .
English: perhaps from a diminutive of the Old English female personal name Dūfe (see Dove 1).