Macadamia is one of three winners out of Une Autre Etoile (Northern Afleet), a winner at two in Brazil who was stakes-placed there. Une Autre Etoile is a half-sister to Sal Grasso (Our Emblem), a dual Group 1 winner in Brazil and later a sire, and to Jipapibaquigrafo (Irish River), a winner placed in the Gr.2 Prix Greffulhe and the Gr.3 Prix de Guiche.

Second dam Ken de Saron (Kenmare) was a Grade 3 winner in the US. She is a half-sister to Lyre de Castelli (Leo Castelli), a stakes winner in the US, to Lady de Saron (Targowice), twice Group 3-placed in France and the dam of the US stakes winner Northwest Storm, and to Fight Right (Crystal Glitters), a winner at two who produced Zanetta, a Group 2 winner over hurdles.

Third dam Lyre de Saron (Luthier) is a full sister to Luth de Saron, winner of the Gr.2 Prix de Malleret and a successful broodmare.

Fourth dam Rose de Saron (Carvin II) was second in the Gr.1 Prix Morny and third in the Gr.1 Criterium des Pouliches.