Matterhorn is out of Tanaghum (Darshaan), who was stakes-placed in England. Her other produce includes Tactic (Sadler's Wells), winner of the Gr.3 Curragh Cup and a Group winner in Ireland, Bangkok (Australia), a Group winner in England who took the Gr.3 Classic Trial, and Yaazy (Teofilo), a stakes winner and multiple Group-placed in France who won the Listed Prix Joubert, along with the stakes-placed Zahoo (Nayef) and five further winners. Her daughter Mujarah (Marju) is the dam of the multiple Group 1 winner Ribchester (Iffraaj).

Second dam Mehthaaf (Nureyev) won the Gr.1 Irish 1000 Guineas. She is a half-sister to Elnadim (Danzig), winner of the Gr.1 July Cup, and her own produce includes Najah (Nashwan), successful in the Gr.2 Premio Lydia Tesio.

Third dam Elle Seule (Exclusive Native).