Hermann I Count of KASTL
He married Haziga Countess of Diessen . Haziga Countess of Diessen was born at of Diessen, Oberbayern, Bavaria Abt 1042 daughter of Friedrich II, Count of Diessen and Irmgarde, Countess of Gilching .
They were the parents of 3
children:
Mathilde Countess of Kastl
born Abt 1036.
Hermann II Count of Kastl, Margrave of Banz
born Abt 1041.
Friedrich Count of Kastl
born Abt 1041.
Hermann I Count of Kastl died 27 Jan 1056 .
Haziga Countess of Diessen died 17 Oct 1100 .