In re Jacobson

Brock, C.J.,

retired, specially assigned under RSA 490:3. The petitioner, Robert Jacobson, appeals an order of the Superior Court (Smukler, J.) awarding child support to the respondent, Kathleen Tierney, for the support of the parties’ disabled adult child. We reverse.

The relevant facts follow. During the early and mid-1980s, Robert Jacobson and Kathleen Tierney, although unmarried, had two daughters, Corrine and Danielle. At seventeen, Corrine, the elder daughter, suffered an episode of optic neuritis, which caused her to lose the vision in her left eye — a manifestation of multiple sclerosis…