David J Koch age: 66 Known as: David Kock David Ckoch Related to:Brian Leighton, 62 Has lived in:East Longmeadow, MA Springfield, MA Agawam, MA E Longmeadow, MA David M Koch age: 39 Related to:Michele Koch, 63 Patricia Koch, 66 Has lived in:Lowell, MA Chelsea, VT David M Koch age: 65 Known as: Dave M Koch Related to:Katherine Voutselas Angela Voutselas, 50 Has lived in:Myrtle Beach, SC Norwood, MA North Quincy, MA Quincy, MA David S Koch age: 53 Known as: Dave S Koch David V Alexander Koch David Has lived in:Clinton, MA Manchester, NH Stow, MA Enfield, CT