Here are the sites I have found saying he was married to an Ann Hickinson who gave birth to his son Hugh Dunn Sr
http://www.jesonger.us/Genealogy/gp8497.html
http://www.wikitree.com/wiki/Dunn-2797
http://www.jdmarlowe.com/webtrees/individual.php?pid=P7555&ged=...
http://www.familypursuit.com/genealogy/dunn_john/john-dunn-b.1620-1
http://familytreemaker.genealogy.com/users/c/i/p/Susan-D-Cipp/WEBSI...
http://www.myheritage.com/person-1000140_16553531_16553531/john-dun...
Elizabeth Ann Jessop was married to Thomas Hunt
here are the sites that say that:::
http://archiver.rootsweb.ancestry.com/th/read/JESSUP/2002-06/102427...
. Edward Jessup, born Abt. 1602 in Fairfield, Fairfield County, CT; died 1666 in Fairfield, Fairfield County, CT. He married 6695. Elizabeth Burrows.
6695. Elizabeth Burrows, born 1606 in Fairfield, Fairfield County, CT.
Child of Edward Jessup and Elizabeth Burrows is:
3347 i. Elizabeth Jessop, born 1644 in Westchester, NY; married Thomas Hunt 1665.
http://familytreemaker.genealogy.com/users/d/i/x/Michael-L-Dixon-1/...
http://www.wikitree.com/wiki/Jessup-35