Golden Sixty is out of Gaudeamus (Distorted Humor), a group winner in Ireland who took the Gr.2 Debutante Stakes. She is also the dam of Rainbow Connection (Choisir), group-placed in Australia at Group 3 level, and Igitur (Helmet), stakes-placed in Australia at Listed level. Gaudeamus is a half-sister to Leo's Luckyman (Woodman), placed in the Gr.2 Champagne Stakes, to Leo's Pegasus (Fusaichi Pegasus), stakes-placed in the US and dam of the Group 2-placed Battle Force and the stakes-placed No Foolery Here, and to Leo's Lucky Star (Forestry), a chaser placed at Group 3 level.

Second dam Leo's Lucky Lady (Seattle Slew) was stakes-placed. She is a half-sister to the sire Keos (Riverman), a Group 2 winner in Germany and Group 1-placed, to Proskona (Mr Prospector), a Group 2 winner in Italy, and to the Group 3 winner Korveya (Riverman). Proskona is the dam of Calista, a Grade 2 winner in Canada, and grandam of the sire Ultra, winner of the Gr.1 Prix Jean-Luc Lagardere. Korveya is the dam of the sire Hector Protector, winner of the Gr.1 Prix Jacques Le Marois, of Bosra Sham, winner of the Gr.1 Fillies' Mile and the Gr.1 1,000 Guineas, and of the sire Shanghai, winner of the Gr.1 Poule d'Essai des Poulains, and the grandam of the dual Group 1 winner and sire Ciro.

Third dam Konafa (Damascus) was second in the Gr.1 1,000 Guineas.

The family also includes the dual Group 1 winner and sire Act One (In The Wings), the five-time Group 1 winner and sire Modern Games (Dubawi) and the Classic winner Mawj (Exceed And Excel).

Gaudeamus has a yearling filly by Wootton Bassett.