He wrote a book about his maternal family, is working on another one about his father's side and says he has mapped 100,000 near — and very far — relatives on his extended family tree.

Archaeologists have drawn up what they believe is the world’s oldest family tree of an extended family found buried together more than 5,000 years ago. An international team has worked on the ...

The same Quebecois ancestor, Louis Boucher de Grandpre, also connects the pope to Canadian singer Justin Bieber, making the two distant cousins. Additional names on the extended family tree ...

Additional names on the extended family tree include actress Angelina Jolie, former U.S. Secretary of State and First Lady Hillary Clinton, and former Canadian Prime Minister Justin Trudeau.