"American Pickers" star Frank Fritz's family is contesting his estate, and claims the reality star may not have had a valid will at the time of his death.

Nearly five months after the death of “American Pickers” star Frank Fritz, his biological father is contesting his will. William Fritz, who lives in Texas, filed a petition earlier this month to set aside Frank Fritz’s last testament and have a jury determine what should be done with his son's estate.

Bill Fritz, the father of the late Frank Fritz, expressed doubt this week about the validity of his son’s will just a few months after the American Pickers star’s death.

In a developing legal dispute, William Fritz, father of the late American Pickers star Frank Fritz, has filed a petition in Iowa to contest his son’s will. He is seeking to have a jury determine the distribution of the estate;