Spytihnev II, Duke of Bohemia, dies on January 28, 1061.

Svatobor, his son by Ida of Wettin, enters the church and becomes Patriarch of Aquileia.

Vratislaus, who had fallen out with his brother Spytihněv II and had been exiled to Hungary, had regained his Moravian ducal throne with Hungarian assistance and eventually reconciled with his brother and succeeds him as duke of Bohemia Vratislaus in turn entrusts Moravia to his brother Conrad.

The last years of Vratislaus, are, sadly, occupied by dynastic quarreling.

When his brother Otto dies in 1086, he gives Olomouc to Boleslaus, his son by Swatawa of Poland, a daughter of Casimir I of Poland.

This act is seen to be against the interests of his brother Conrad.

Vratislaus raises an army against Conrad and sends it out under Bretislaus, his son by Adelaide, daughter of Andrew I of Hungary, who had died in 1061.

Bretislaus then turns on father.

Vratislaus, in keeping with Bohemian custom, designates an heir: Conrad.

Thus reconciled, the two attack Bretislaus, who flees to Hungary.

Vratislaus dies of a hunting wound on January 14, 1092, after a reign of thirty years.

His brother succeeds him as Duke Conrad I of Bohemia.

He does not succeed as king, because his brother had only been lifted to the royal dignity ad personam by the Emperor Henry IV and that title is therefore not hereditary.

Before he became duke of Bohemia, he had long ruled over Moravia, as junior sons typically do, as duke of Brno and Znojmo (since 1054).

By his marriage to Wirpirk of Tengling, he has two children: Oldřich (or Ulrich), prince of Brno from 1092, and Luitpold, prince of Znojmo from 1092.

Dying on September 6, 1092, Conrad is succeeded as duke by his nephew Bretislaus, the eldest son of the late Vratislaus II and Adelaide, daughter of Andrew I of Hungary.