Hi André... I'm not actually reseaching the Lamothe family but rather the Gaston family. The connection to Lamothe has to do with a legend of two Gaston brothers in "Lamothe-St Didier" who found a cure for a disease known as "St. Anthony's Fire" circa 15th century. I've found several towns called Lamothe but no St Didier... there is a Lamothe in Gers, not far from Mauvezin where i have found beaucoup de Gaston. Perhaps that is the Lamothe of the legend. In any case, I was interested in your information and have discovered things about other families in the southwest as well. "Its all good"! Good luck in your continued research.. and yes, looking in the archives help but I have a "cousin" near Bayonne who found loads of documents from a used book merchant. One never knows where something will turn up!