LaTour-Blanche is the key to finding the orgin of my LaTour family.
La Tour-Blanche is a commune in the Dordogne department in Aquitaine in south-western France.
http://en.wikipedia.org/wiki/La_Tour-BlancheWhen the family left France, they left from the port of Bergerac, Dordogne, France.
http://en.wikipedia.org/wiki/Bergerac,_Dordogne