John H Knapp age: 43 Known as: Jack Knapp Related to:Christopher Knapp, 39 Has lived in:Danbury, CT Sandy Hook, CT New Smyrna Beach, FL New Smyrna, FL John M Knapp age: 67 Known as: Jack Knapp Related to:Carlos Cruz, 64 Gertrudes O'Shea Has lived in:Clinton, CT Danbury, CT Old Saybrook, CT John E Knapp age: 73 Known as: Sally B Knapp Sally A Knapp Related to:Louise Haberbush, 74 Has lived in:Peabody, MA Derby, CT Salem, MA Old Saybrook, CT John H Knapp Deceased Known as: Jack H Knapp Jack J Knapp Related to:Christopher Knapp, 39 Has lived in:Danbury, CT Key Colony Beach, FL