Reference - 1991 Book, The Arabian Horse Families of Poland 1790-1987 By Britta Fahlgren:
(Stallion Table S5/3; Not Original Arabians W20 and 23):
MAZUD 1838 was a stallion bred by Weil (Stud - Germany)
Sire: BAIRACTAR O A 1813
Dam: HAZAM IV 1831
He was the sire at Weil of 3 purebred Arabians: GEYRAN III 1845 m gr (x GEYRAN II 1829), MARA IV 1846 m b (x MARA III 1838) and of SCHAKRA VI 1847 m gr (x SCHAKRA IV O A 1827)
Reference - Al Khamsa:
Exceptions to above: MAZUD 1838 was a grey stallion; SCHAKRA VI 1847 is not listed
Ancestral Elements: Europa, 100.0%