Sandra G. (Lang) (Jasper) Paquin, 82, of Plaistow, N.H., and formerly of Haverhill, died Jan. 26, at Rockingham County Nursing Home in Brentwood. Born in Haverhill, she was raised in Haverhill and Groveland and graduated from Haverhill High School with the class of 1955. She later graduated from the