Tosca's sire, TC Kashmir was the last son of Nabor in Europe. He is linebred on Krzyzyk OA’s sire line through Mlech I 1897, sire of Abu Mlech and Farys II who is sire of the unforgettable Kaszmir. Kaszmir started in 17 races and won 16 of them. Three times, 1932, 1933 and 1934, he won the Criterium and in 1933 he won the Derby as well. TC Kashmir was born in 1977 at Tom Chauncey’s Sun Country Arabians, USA. TC Kashmir became U.S Champion in Equire performance. In 1987 Folke Töllborg imported TC Kashmir to Sweden, where he became National Champion Stallion and class winner several times. Dam of TC Kashmir, Four Winds Kalifa (Cytrus x Four Winds Kitkat), was an “All time leading pure polish” mare. She came from a long line of champions and brought her legacy forward as she produced 16 foals, of which 12 became champions.

Bomarc (Bask x Boltonka), Tosca's grand sire, is linebred on Amurath Sahib. Amurath Sahib won 4 major Stakes. Amurath Sahib's dam, Sahiba (Nana Sahib I x Donka), won herself the Oaks and the Derby in 1927. Bomarc has won championships in Park, English Pleasure and was Top Ten in Pleasure Driving. In total he got more than 11 Champion and Reserve championships.

Bomarc was sired by the well known and legendary Bask (Witraz x Balalajka). Who started his career at the racetrack in Poland. Out of 40 races, he placed first eight times, second seven times and was third seven times. In the USA he become 1964 Scottsdale Champion Stallion, 1964 Scottsdale Champion Park (3-gaited), 1964 US National Champion Stallion,1964 US National Top-Ten Park, 1965 Spokane Reserve Champion Park, 1965 US National Champion Park, 1965 Legion of Merit, 1966 Scottsdale Champion Park, 1967 US National Reserve Champion Formal Driving, 1967 US National Reserve Champion Formal Combination.

Boltonka (Arax x Bulgotka), Bomarc's dam, became US National Reserve Champion Mare in Dallas 1964.

Granada (Abu Afas x Grazyna), grand dam of Tosca, Granada, was truly breed for speed! Granada's grand dam is Galka who won Oaks in 1950. Which made Toscas dam line uniqe. It is rather unusually to have a stakes winner in the straight dam line. Granada was also a halfsibling to the legendary Comet (Abu Afas-Carmen)

Tosca, is a Swedish National Reserve Champion Mare. She is also Class Winner and Champion Reserv in several C-shows.