John P. “Jack” Greiten, of East Amherst, entered into rest on January 21, 2021 at age 88. Beloved husband of 56 years to Marilyn (nee Hanshaw) Greiten; devoted father of Lynn (Gregory) Davis, Karen (Robert) Reeves, Julie (Michael) LaManna, Tracy Betancourt and SFC John Greiten; cherished grandfather of Brooke, Max and Emily Davis, Casey and Adam Reeves, Ian, Nathan and Lauren LaManna, and Kendall Betancourt; loving son of the late John and Helen Greiten; dear brother of the late Lorraine (late William) Walker; also survived by nieces, nephews and many friends. Relatives and friends are invited to attend a Mass of Christian Burial celebrated in the chapel of St. Mary’s Church, 6919 Transit Rd., Swormville, on Wednesday (January 27, 2021) at 12noon. Interment Western New York National Cemetery, Corfu, NY. In compliance with the public health guidelines during the Covid-19 pandemic, services will be monitored to limit gathering sizes based on the most current recommendations. Face masks required. In lieu of flowers, contributions in Jack’s memory may be made to the Alzheimer’s Association - WNY Chapter, 6215 Sheridan Dr. #100, Williamsville, NY 14221 or online at www.alz.org/wny. Arrangements by DENGLER, ROBERTS, PERNA FUNERAL HOME.