Sea La Rosa is one of four winners from five foals out of Soho Rose (Hernando), a Listed winner over 2200m in Germany who was also stakes-placed in France. She is a full-sister to Deauville Legend, a multiple Group winner in England whose wins include the Gr.2 Great Voltigeur Stakes and the Gr.3 Bahrain Trophy, and a half-sister to Dean Street Doll (Oasis Dream), second in the Gr.3 Derrinstown Stud 1000 Guineas Trial.

Second dam Russian Rose (Soviet Lad) was a winner. She is also the dam of Hanami (Hernando), a full-sister to Soho Rose, who won the Pretty Polly Stakes, then a Group 2, and Dubai Rose (Dubai Destination), a Listed winner in Germany. Hanami has bred the Group 3-placed Regent Street (Galileo) and the Listed-placed Khareef (Monsun) and Holly Polly (Dylan Thomas). Dubai Rose is the dam of The Juliet Rose (Monsun), a triple Group winner in France who won the Prix de Royallieu twice when it was a Group 2, and of the Listed-placed Pocketfullofdreams.

Third dam Thornbeam (Beldale Flutter) was unraced. She is also the dam of Cure The Blues (Phardante), a Listed winner in Belgium who has bred two Listed winners over jumps in France.

Soho Rose has a yearling filly by Golden Horn.