http://www.burkes-american-presidents.com/sites/america/sitepages/page70.asp
"36 of the 42 Presidential families can be traced back to England, Scotland, Ireland or Wales.
Many President's families are linked to those of British Peers or Baronets"
and so have essentially french noble bloodlines since english monarchs are descendant of Charlemagne since William the Conqueror invade England ! If you don't know who was William
http://www3.dcs.hull.ac.uk/cgi-bin/gedlkup/n=royal?royal01380
William I the Conqueror, King of England
Born: 1028, Falaise,Normandy,France
Acceded: 25 DEC 1066, Westminster Abbey, London, England
Died: 9 SEP 1087, Hermentrube, Near Rouen, France
Interred: St Stephen Abbey,Caen,Normandy
Notes:
Reigned 1066-1087. Duke of Normandy 1035-1087. Invaded England defeated and
killed his rival Harold at the Battle of Hastings and became King. The Norman
conquest of England was completed by 1072 aided by the establishment of
feaudalism under which his followers were granted land in return for pledges
of service and loyalty. As King William was noted for his efficient if harsh
rule. His administration relied upon Norman and other foreign personnell
especially Lanfranc Archbishop of Canterbury.
"36 of the 42 Presidential families can be traced back to England, Scotland, Ireland or Wales.
Many President's families are linked to those of British Peers or Baronets"
and so have essentially french noble bloodlines since english monarchs are descendant of Charlemagne since William the Conqueror invade England ! If you don't know who was William

http://www3.dcs.hull.ac.uk/cgi-bin/gedlkup/n=royal?royal01380
William I the Conqueror, King of England
Born: 1028, Falaise,Normandy,France
Acceded: 25 DEC 1066, Westminster Abbey, London, England
Died: 9 SEP 1087, Hermentrube, Near Rouen, France
Interred: St Stephen Abbey,Caen,Normandy
Notes:
Reigned 1066-1087. Duke of Normandy 1035-1087. Invaded England defeated and
killed his rival Harold at the Battle of Hastings and became King. The Norman
conquest of England was completed by 1072 aided by the establishment of
feaudalism under which his followers were granted land in return for pledges
of service and loyalty. As King William was noted for his efficient if harsh
rule. His administration relied upon Norman and other foreign personnell
especially Lanfranc Archbishop of Canterbury.
