we do not know exactly how many grand princes of hungary ruled between the supposed death date of árpád‘s death (c. 907) and fajsz (c. 948), because it seems that the chroniclers of the hungarian kings, who came from the branch of solt after 1000, wanted to make the people of the kingdom, to forget the rule between 907 and 950, of the other branches of the árpád dynasty, coming from the other 3 sons of árpád: tarkacsu/liüntika, jelek, jutocsa, who, or their offspring probably ruled at this period hungary, according to the nomadic custom of agnatic seniority, used by the hungarian rulers before 1000. the quietness of the chronicles is the reason why today's historians cannot establish precisely the whole list of the hungarian grand princes between 907-955, and we know only about solt (from the hungarian chronicles) and fajsz from the book of the byzantine emperor constantine vii, de administrando imperio, which preserved a longer list of names from the árpád-family, than the hungarian chronicles, preoccupied only with the ruling branch of solt. the reason of forgetting fajsz from the hungarian chronicles was the fact that he was not son of solt, but of jutocsa, and without the help of de administrando imperio, we would not know anything about his existence. the de administrando imperio preserved the name of fajsz as the grand prince of the hungarians, because it was written during his reign. but about the names of the other grand princes, who were not from the branch of solt, who probably ruled before and after him, we know nothing.