As was already mentioned, John Forbes Kerry was a member of Skull and Bones. However, what's not necessarily known is that his brother Cameron Forbes Kerry is a member of the Council on Foreign Relations. The Forbes family is one of the Boston Brahmin elite bloodline families of early American history. John Murray Forbes of this bloodline made part of his fortune from the Canton opium trade. He was also the president of the Michigan Central Railroad and director and president of the Chicago, Burlington and Quincy Railroad.
"Yesterday, John Kerry embarked on his first trip abroad as secretary of state. The foreign dignitaries he meets will be aware of many of his accomplishments -- from his service in the Vietnam War to his ascent to chairman of the Senate's powerful Foreign Relations Committee -- but they may not know of a peculiar honor that was bestowed upon him during his junior year at Yale: membership in one of America's oldest secret societies, Skull and Bones."
https://www.theatlantic.com/national/archive/2013/02/skull-and-bones-its-not-just-for-white-dudes-anymore/273463/Cameron F. Kerry (Forbes family) at
cfr.org:
“Bob Kerrey
Cameron F. Kerry
Peggy Kerry”
https://www.cfr.org/membership/roster https://en.wikipedia.org/wiki/Forbes_family