Millions in royalties are at stake in the legal action.
Franklin was a music superstar, known for massive hits like Respect and Think.
Instead, she left two handwritten documents, including one found in a couch.
Aretha FranklinPaul Natkin/Getty Images
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Months after Franklins funeral, Owens found a handwritten will dated 2010.
Another, dated 2014, was found in a notebook under cushions in Franklins home.
Both indicate the sons would share income from music and copyrights.
The older will lists White and Owens as co-executors.
The 2014 version crosses out Whites name as executor and has Kecalf Franklin in his place.
