He was sired by Galileo, who won the Derby, Irish Derby and King George VI and Queen Elizabeth Stakes in 2001. Galileo is now one of the world's leading stallions and has been champion sire of Great Britain and Ireland eight times so far. His other progeny include Cape Blanco, Frankel, Golden Lilac, Nathaniel, New Approach, Rip Van Winkle, Found, Minding and Ruler of the World. Churchill's dam Meow showed good form as a juvenile in 2010, finishing second in the Queen Mary Stakes and winning the Listed Grangecon Stud Stakes. Meow was a daughter of the outstanding filly Airwave and closely related to the leading sprinter Jwala.
