Kalapour is the fifth foal of Kaladena (Daylami), who won a maiden at Navan. She is also the dam of Kalaxana (Rock Of Gibraltar), winner of the Listed Lenebane Stakes and second in the Gr.3 Give Thanks Stakes.

Second dam Kalamba (Green Dancer) was a successful broodmare with seven winners, among them the dual Group 1 winner Kalanisi (Doyoun), who won the Gr.1 Champion Stakes and the Grade 1 Breeders' Cup Turf and became a sire, Kalaman (Desert Prince), winner of the Gr.2 Scottish Derby, and Kaloura (Sinndar), twice a Listed winner, including the Listed Prix Joubert. Her daughters Kalandara (Rainbow Quest) and Kalimanta (Lake Coniston) are the dams of Luminate (Lawman), winner of the Gr.3 Prix Penelope, and Burano (Dalakhani), a Listed winner in Germany. Kalamba is a full sister to the Listed winner Karaferya.

Third dam Kareena (Riverman) won the Fern Hill Handicap at Ascot, then a Listed race.

Kaladena has a colt by Space Blues born in 2023.