The so-called "holographic wills" were discovered earlier this month by Sabrina Owens, the personal representative of Aretha Franklin Estate. They contained in them what the property called "potential protest areas".
Lawyers for Franklin's four sons were unable to solve the problem and are therefore led to court to determine whether the testament is likely.
Two of Franklin's sons oppose the admission of the will. The documents are dated June 21, 2010; October 20, 2010 and March 31, 2014, according to a court application for the case.
CNN has reviewed the documents. Which dated June 2010 refers to Franklin's high blood pressure and a lot on her pancreas.
The singer died on August 1
"As this new development is also a family case, [Owens] remains neutral and wants all parties involved to make wise choices on behalf of their mother, her rich heritage, the family and Aretha Franklin Estate", a statement from the estate read. .
According to the court case, a hearing is expected Thursday at. 10 in Oakland County, Michigan.