Peacefully on Wednesday, June 6, 2018 , Nicholas, age 74 of Pgh. Beloved husband of 52 years to Dianne Addlespurger. Son of the late Celeste and Steve Palko & John Niapas. Loving father of Andrea (David) Twardy, Kimberly (Peter) Coppola and Nick (Stacey) Niapas. Brother of Christina Michalism. Loving Pappy of Stephen and Madison Twardy, Hanna, Emma & Nicholas Niapas. Also survived by Aunt Helen Randas. Family & friends received at the ANTHONY M. MUSMANNO FUNERAL HOME, INC. 700 7th Street, McKees Rocks, PA 15136 Friday 6-8 p.m. and Saturday 2-4 p.m. and 6 until time of service at 7:30 p.m.