NILSSEN, Ruth H.F. (Forsgren) 96, of Lexington, passed peacefully in her bed before dawn on Monday, March 16, 2015. She was the wife of the late R. Helge Nilssen. A memorial service in remembrance of her life will be held at 2 P.M. this coming Sunday, March 22, 2015 at Trinity Covenant Church, 7 Clematis Road, Lexington MA 02421. Donations in lieu of flowers may be made to Trinity Covenant Church. Private interment Belmont Cemetery.