Robert Harrington Kleimenhagen, Sr., age 71, passed away on February 9, 2021 at LVHN-Cedar Crest, Allentown. Born on June 18, 1949 in Philadelphia, he resided in Southampton and Perkasie, and was the son of the late William and Rita (Herr) Kleimenhagen. Surviving are siblings: William Kleimenhagen, Louise Stuver, and Phillip Kleimenhagen. Robert graduated from William Tennent High School in Warminster, and proudly served his country oversees in the U.S. Army during the Vietnam War. Surviving are children: Robert H. Kleimenhagen, Jr., wife Ame, Cynthia Kaminski, husband Kevin, Allyson Kleimenhagen, and their mother Linda (Conrad) Kleimenhagen. Also surviving are grandchildren: Hannah Kleimenhagen, Ashley Kaminski, Kailey Kleimenhagen, Ryan Kaminski, and Madigan Kleimenhagen. Services will be private at the convenience of the family. Arrangements are entrusted to Naugle Funeral & Cremation Service of Quakertown.