Maranoa Charlie is the second winner out of Koubalibre (Galileo), who won over 1600m in France at three. She is a half-sister to four other winners, among them Tiggy Wiggy (Kodiac), champion 2-year-old filly in Europe in 2014, winner of the Gr.1 Cheveley Park S. and the Gr.2 Lowther S. and third in the Gr.1 1,000 Guineas. Tiggy Wiggy is the dam of Year Of The Tiger (Galileo), a juvenile winner who was third in the Gr.1 Futurity Trophy.

The second dam Kheleyf's Silver (Kheleyf) won as a juvenile and is a half-sister to five other winners, among them Masta Plasta (Mujadil), winner of the Norfolk S., then a Gr.3.

The third dam Silver Arrow (Shadeed) was lightly raced and is a half-sister to four winners.

The family also includes Going Global (Mehmas), winner of the Grade 1 Del Mar Oaks, the Group 2 winner Mitbaahy (Profitable) and Magellan, winner of the Grade 2 American Handicap and later a sire.

Koubalibre has a yearling colt by Baaeed and a colt foal by New Bay.