Duke of Bohemia Oldrich
Duke of Bohemia was born about 0966 in Praha, Czechoslovakia.  He died on November 9th, 1034.

 Duchess of Bohemia Bozena
Duchess of Bohemia was born about 0984 in Praha, Czechoslovakia.  She died in 1052.

 I Bretislav , Duke of Bohemia
I was born about 1005 in Praha, Czechoslovakia.  He died in Chrudim, Czechoslovakia.

 Vratislav of Bohemia
Vratislav of was born about 1007.