Bred by Slawuta Stud in Poland Dam at Chrestowka Stud of the Arabian mare IRYS 1841 (By NEZDY SREBRNY 1832) Both studs were owned by the Sanguszko family
References:
Skowronek.io
Rashaka.at
1991 Book - The Arabian Horse Families of Poland 1790-1987 by Britta Fahlgren