The remains of the Castle of Labrit , said Castle Albret 2 , are located in the municipality of Labrit , in the French department of Landes . Built in earth and wood in the years 1225 - 1230 3 , it is the birthplace of thelords of Albret , noble Gascon family, from there, expand its influence over the centuries, up to the throne of France to one of his own, King Henry IV . The site is classified by the Historic Monuments the 27 December1990 2 .