On the 21 Juli 1669, Krisztina was married to the ten year older Sándor Erdődy,High sheriff of Vas County, with whom she had a son Sandor and three daughters Margaretha, Erzsébet and Juliana.

Krisztinas oldest daughter Margaretha would come to marry her step-brother Paul Franz Karl Draskovich von Trakostjan.

As a widow Krisztina helped arrange the marriages of her children, her son Sandor in 1693 was married the countess Johanna Beatrix von Trauttmansdorff-Weinsberg, who belonged to one of the oldest Austrian noble families.

But in the 1690s,he gradually turned against the absolutism and repressive policies of Emperor Leopold I wich was solidified when 1696, Bercsény met Ferenc Rákóczi who was living nearby at Šariš Castle.

Rákóczi also had a family connection to Krisztina, through the fact that his mother Ilona Zrinyi, who was an active participant in the Kuruc uprising against the Habsburgs on the side of her second husband Imre Thököly.

Bolstered by this support for the Kuruc cause Krisztina and her spouse joined forces with Rákóczi in his rebellion against Austria.