Creszentia was the daughter of unknown parents. The date and place of her birth have not been found.
Her husband was Konrád IV Krajíř z Krajku. They were married, but the date and place have not been found. Their four known children were Kreszentia (?-<1445), Polyxena (c1396-?), Jiří (c1400-?) and Jindřich (c1403-?).