Ascendance: Pierre LACAUSSE
- (Sosa 873) LAVIELLE Jeanne( v. 1719 - 1789 Saint-Lon-les-Mines )
(Sosa 436) LACAUSSE Jean( v. 1741 - 1821 Pey )-
- (Sosa 437) BARTHE Jeanne( v. 1760 - 1831 Pey )
LACAUSSE Pierre
( 1787 Saint-Lon-les-Mines - 1789 Saint-Lon-les-Mines )