Then you cannot call that particular matter in the article an embellishment if you yourself don't know.
Fortunately the road has been walked before, and perhaps there will be some answers there. Neither you nor Swopes have been very helpful.
Quick and dirty list from Amazon:
The Signers: The 56 Stories Behind the Declaration of Independence (Hardcover) by Dennis Brindell Fradin (Author), Michael McCurdy (Author)
Lives of the Signers of the Declaration of Independence (Paperback) by Benson J. Lossing (Author)
Greatness to Spare: The Heroic Sacrifices of the Men Who Signed the Declaration of Independence (Paperback) by T. R. Fehrenbach (Author) \
Wives of the Signers (Paperback) by Harry Clinton Green (Author), Mary Wolcott Green (Author), David Barton (Author)
That's a 2-minute search on Amazon, I'm sure there are other books that cover the topic.