From an AP obit headlined “James Buckley, conservative ex-senator and brother of late writer William F. Buckley, dies at 100”:

Former New York Senator James Buckley, an early agitator for then-President Richard Nixon’s resignation and winner of a landmark lawsuit challenging campaign spending limits, died at age 100..

Buckley was the fourth of 10 children of a millionaire oilman and older brother of conservative commentator William F. Buckley Jr., who died in February 2008. He was the last survivor of the 10 siblings.