Career
His father-in-law was Bánk Bár-Kalán. Simon, along with Peter, son of Töre, played a decisive role in the murder of Queen Gertrude of Merania in 1213. After the return of Andrew II of Hungary from Halychina, only Peter was executed by impalement, the Kacsics clan could retain their estates yet.
The land confiscation in 1228 might be a sign of the subsequent retaliation.
