Ancestry indicated that Anna Whitman was “Michael John’s wife of great-granduncle.” It took me a little while to figure out exactly what they meant. A better way to phrase it would have been wife of Michael John’s great-grandmother’s brother.
This auto-text is not the only text that is occasionally awkward. Always read any auto-generated text created by your genealogy software before publishing it or sharing it. Make certain it says what you want it to say.