No they where not. they came from two different family's.
Lidia and John George Washington Hancock
was john hancocks brothers name william? Edit: John Hancock (signer of the Declaration of Independence) was an only child therefore he had no brothers or sisters. His father's name was John Hancock as well and so was his grandfathers. I'm not sure if his father had any siblings but his grandfather had a brother named Nathaniel Hancock. Source of information: http://www.small-stuff.com/HANCOCK/DNA/h20215.htm
yes he had two they were named....John George Washington Hancock • Lydia Henchman Hancock
Lydia Hancock 10months old John George Washington Hancock 8 years old
His wife was Dorothy Quincy and the children were Lydia Henchman Hancock and John George Washington Hancock.
John Hancock
His son's name is John George Washington and his daughter's name is Lydia Henchman Hancock.
james madison, george washington, john hancock
Now one knows for sure
He was a patriot along with George Washington and Ben Franklin.
George Washington,Willam Penn, John Hancock
John Adams has two brothers; Peter Boylstom Adams and Elihu Adams. George Washington had Two half brothers - Lawrence and Augustine; and Three brothers - Samuel, John Augustine, and Charles.