"3. John3 Kilbourn (John,2 Thomas1), … married second, at Hartford, 12 May 1702, Elizabeth (Grave) Mitchell, born ____, died at Glastonbury, 8 June 1718, daughter of George and Elizabeth (Ventres) Grave, and widow of John Mitchell, Jr., of Hartford."
'… and on the 12th day of May, 1702, he was married to Elizabeth, daughter of John Mitchell, of Hartford.'According to Waterman and Jacobus in Hale, House, she was the widow of John Mitchell, not his daughter.
"Kilborn, … John, of Glastonbury, m. Elizabeth Michel, of Hartford, May 12, 1702 [1:5]"