Erle is out of Kizingo (Oasis Dream) and is her second foal and her only runner from four foals of racing age. Kizingo won in Germany at four and was placed several times. She is a half-sister to Erasmus (Reliable Man), a sire who won the Gr.3 Preis des Winterfavoriten, and to Eskandar (Teofilo), champion stayer in Hungary.

Second dam Enora (Noverre) won the Gr.1 Preis der Diana in 2010; Erle is the first winner of the race for her breeder since her. Enora has produced six winners.

Third dam Enrica (Niniski) won three races in Germany and was second in the Gr.2 Premio Lydia Tesio. Besides Enora she produced Egerton (Groom Dancer), twice winner of the Gr.2 Hansa Preis and twice Group 1-placed, the German Group 3 winner Ephraim (Rail Link), the German Listed winner Ephigenie (Groom Dancer), dam of the Italian Listed winner Sadalsuud, and Ernesto (Reliable Man), winner of the Listed Altano-Rennen and second in the Gr.3 Deutsches St Leger. Through her winning daughter Elora (Alkalde) she is also the second dam of Empore (Oasis Dream), winner of the Listed Diana-Trial, second in the Gr.3 Preis der Winterkonigin and fourth in the Gr.1 Preis der Diana, of the German Listed winner Enissa (Soldier Hollow) and of the Group 2-placed winner El Loco (Lope De Vega).

Kizingo has the unraced 2-year-old filly Eleganz (Adlerflug) and a colt foal by Protectionist.