Sydna Konstin, a third-generation owner, has died at the age of 41. She was the owner of John's Grill. Further details about her death are available from the source.

The source reports that Sydna Konstin was 41 years old when she died. She owned John's Grill, a business that has been in her family for generations.

More information about Sydna Konstin's life and death can be found through the source, which provides additional details beyond what is known here.