Donald K. Underhill, age 81, of Rhinelander, formerly of Cedarburg, died on June 28, 2013 at the Seasons of Life Hospice in Woodruff, WI. He was born on October 21, 1931 in Brooklyn, NY to Samuel and Elsie Zentgraf Underhill. After high school Don served with the US Navy during the Korean War. Upon his honorable discharge he returned to the states and attended Marquette University in Milwaukee. His employment included various companies when he was young but ended with over 25 years of service to Johnson Controls in Milwaukee. He married Pauling Heiting of Port Washington and they lived in Cedarburg, Wisconsin for many years. Upon his retirement they moved to Port Washington in 2000, where they lived for many years and later moved to the Rhinelander area permanently. Don is survived by his wife of 38 years Pauline (Heiting) Underhill of Rhinelander, his children Deborah (Douglas) Willis of Bradenton, FL, Barbara (Jose Mercedez) Jimenez of Bradenton, FL, Bruce Underhill of Fort Myers, FL and Teresa (Kurt) Hanson of Portland, OR, his four grandchildren, his twin sister Enid Malone of Kings Park, NY, his brother Wallace Underhill of Inverness, FL, other family and many friends. He was preceded in death by his parents and a son David Underhill. Memorial Mass of Christian Burial 5:30 PM Thursday, July 18th 2013, at St. Francis Borgia Catholic Church North, 1375 Covered Bridge Road, Cedarburg, Wisconsin. Visitation from 4:00 PM until 5:30 PM at church.