Espiona is the first foal of Dahooil (O'Reilly), a winner who died early in 2022. Dahooil is a three-parts-sister to Rare Insight (O'Reilly), winner of the Gr.2 Stan Fox S., and to the Listed winner Escadaire (O'Reilly).

Second dam Pretty (Pins) has seven winners from seven runners, Dahooil among them. She is also the dam of the Listed winners Pretty To Sea (Ocean Park), successful in New Zealand, and Bonny O'Reilly (O'Reilly), a full-sister to Dahooil who won at Listed level in Brisbane and is the dam of Basquiat (Snitzel), twice Group 3-placed. Pretty is a half-sister to four winners, including Glamour Puss (Tale Of The Cat), winner of the Gr.1 Salinger S., and Vision And Power (Carnegie), winner of the Gr.1 Doncaster Handicap.

Third dam Escada (Centaine).

Further back Espiona descends from Franlyle (White Heather).

Dahooil produced a colt by Capitalist in 2021.