Michael had two sons, Leustach, ancestor of the Zagyvafői family, and Falkos, the first member of the Falkos branch and grandfather of Thomas Szécsényi.
[5] Michael was the first voivode to receive a land grant in the province of Transylvania, around 1210.
[6] However, these originally uninhabited lands along the upper courses of the river Maros (present-day Mureș) were confiscated in 1228.
Simon, along with Peter, son of Töre, played a decisive role in the murder of Queen Gertrude of Merania in 1213.
[2] After the return of Andrew II of Hungary from Halychina, only Peter was executed by impalement, the Kacsics clan could retain their estates yet.