Here's some info I found, she carries a lot of racing QH and thoroughbred blood
Jet Deck:
SI-100(AAAT)/ROM Race, 31-22-4-2, $200,625.
AQHA Ch.
AQHA Hall of Fame
In only 8 foal crops, Jet Deck sired the all-time race money earner, Easy Jet, plus progeny that earned more than $6,804,289
On 8/26/1971, Jet Deck was found dead in his paddock, the result of an overdose of barbituates. The killers were never found.
Jet of Honor:
AQHA-0819065
SI-102, 24-8-3-2, $15,778.
#2 all time leading Barrel horse sire. Passed away in 1996.
Gascony:
1899 chestnut thoroughbred
Sugar Dun It was a 1973 red dun QH who was a son of Sugar Bars who had the following credentials:
AQHA Hall Of Fame
SI-95, AAA ROM Race, 30-7-4-7, $3,166
Reserve AQHA Halter Ch (2 pts).
A Leading Sire and Maternal Grandsire Of Race ROM, A Leading Sire Of AQHA Champs, A Leading Sire Of Arena ROM
Died June 6, 1972 (See Legends Vol 2). Sire of Race money earners incl 2 Race Honor Roll; Connie Reba and Vanna Bar.
Sire of AQHA Chs and Arena ROMs incl Honor Roll Reining; Jays Sugar Bars, Honor Roll Halter; Sugar Leda, Hi Pt Calf Roping Gelding; Bar Room, Superior W Pleas; Apollo Girl, Hesa Sugar, Sugars Cookie, Superior Eng Pleas; Bit O Sugar, Superior Reining; Jays Sugar Bars, Sugar Bar Dell, Superior Halter; Bar Flit, Bit O Sugar, Counterplay, Mr Cabin Bar, Otoe, Sugar Capri, Sugar Leda
Sire of NCHA Money earners.Sire of 867 Foals.
Quincy Cocoa was sired by Dividend, a QH who was a leading sire of Race ROMS
If you go to allbreedpedigree, which is what I used to get the info above, there's also pictures of quite a few of the horses in her pedigree as well as horses further back