Premise: Christopher Sebastian "Chris" Buckley (9 November 1886 – 11 January 1973) was a footballer in the early years of professional football in England, who played at centre half for a variety of clubs including Aston Villa and Arsenal, before later returning to Villa as director and chairman. He was the younger brother of Frank Buckley, who was also a player and manager of Wolverhampton Wanderers.
Hypothesis: Chris and Frank Buckley were the only professional football players in their family.