Bush/Clinton/Bush/Dick Cheney's 8th cousin
From the AP:
According to her spokeswoman, Sen. Obama, D-Ill., is a descendent of Mareen Duvall. This French Huguenot's son married the granddaughter of a Richard
Cheney, who arrived in Maryland in the late 1650's from England, said Ginny
Justice, a spokeswoman for Lynne Cheney.