Angel Of Empire is the first foal out of the placed Armony's Angel (To Honor and Serve), a half-sister to Conquest Big E (Tapit), winner of the Grade 2 Gulfstream Park Stakes, and to the stakes winner Aquapazza (Stormy Atlantic), dam of the stakes-placed Infringement. Angel Of Empire is the only stakes winner out of a daughter of To Honor and Serve.

Second dam Seeinsbelieven (Carson City) won and has two winners, Conquest Big E and Aquapazza. She is a half-sister to the Grade 2 winner Softly (Binalong), grandam of a stakes winner in the US and third dam of Sienna, a Listed winner in Italy, to the Grade 3 winner Coragil Cat (Forest Wildcat) and to the stakes-placed Spring Eclipse (Unbridled's Song).

Third dam Coragil (Metfield) was stakes-placed and is a half-sister to the Grade 3 winners Hold Old Blue (Seattle Song) and Til Forbid (Temperence Hill).

Armony's Angel has a 2-year-old colt named Third City (Collected) and a yearling full-brother to Angel Of Empire named Raconteur. She was not covered in 2023.