465 A.2d 888 JOYCE SANBORN v. THEODORE SANBORN No. 82-390Supreme Court of New Hampshire Rockingham Decided August 31, 1983 1. Divorce — Custody and Support of Children — Modification of Decree The standard for modification of child custody decrees set forth by the supreme court in Perreault v. Cook, 114 N.H. 440 (1974), that the […]