After the seizures in late 1942 of five U.S. enterprises he managed on
behalf of Nazi industrialist Fritz Thyssen, Prescott Bush, the grandfather
of President George W. Bush, failed to divest himself of more than a dozen
"enemy national" relationships that continued until as late as 1951,
newly-discovered U.S. government documents reveal.

http://www.georgewalkerbush.net/bushnazidealingscontinueduntil1951.htm