This Supreme Court case involved Thomas Morris, the complainant and appellant, versus Maria Nixon, Henry J. Williams and Thomas Biddle as executors of the last will and testament of Henry Nixon who had passed away. The dispute was over a tract of land in Pennsylvania that belonged to Henry Nixon prior to his death. In his will he bequeathed it to Maria Nixon as sole devisee but Morris claimed that he had purchased it from him before his death. The court found in favor of Maria Nixon because they determined that there was no evidence presented by Morris proving any legal title or right to the property at issue.

In the dissenting opinion of Thomas Morris, complainant and appellant v. Maria Nixon, Henry J. Williams and Thomas Biddle, Henry J. Williams and Maria Nixon Executors of the Last Will and Testament of Henry Nixon deceased, Justice Baldwin argued that a court should not be able to set aside a will on account of fraud or mistake unless it is proven beyond reasonable doubt that such fraud or mistake occurred in its making. He further stated that if there was any evidence presented which showed an intention by the testator to make a different disposition than what was written in his will then this must be taken into consideration as well as all other circumstances surrounding it's execution before determining whether or not it should stand validly executed according to law. In conclusion he argued against setting aside wills without sufficient proof being provided first because doing so would lead to uncertainty with regards to property rights which could have far reaching consequences for those involved in estate matters both now and in future generations