Rollo Ernest Greimann was born on October 27th, 1925 in Blue Earth, Minnesota to Ernest and Anna (Lau) Greimann. He grew up and went to school in Blue Earth and graduated from Blue Earth High School in 1943. He joined the U.S. Navy in January of 1945 and was stationed at Pearl Harbor in Hawaii where he was a Pharmacist Mate 3rd class. He was married to Phyllis Matthews in 1945 and they made their home in Blue Earth where Rollo was a farmer. Mrs. Greimann passed away in February of 1971 and Rollo continued living in Blue Earth. In 1988 he moved to Buffalo, Wyoming where he sold stock trailers and refurbished old antique tractors. He also had a craft business of making miniature harness and hay wagons for the miniature Bryer Horses. Rollo continued living in Buffalo with his life companion Mary Forcier until the time of his death. Rollo loved to snowmobile, hunt, ride ATVs and spending precious time in the mountains. He is survived by one son Dr. Gene Greimann and his wife Dr. Carol Greimann of Hardin, Montana; one daughter, Connie Peterson and her husband Bruce of Frost, Minnesota; five grandchildren: Kim (& Tom) Johnson of Blue Earth, Jeff (& Staci) Peterson of Rake, Iowa, Barb (& Joe) Anderson of Blue Earth, Ryan (& Abby) Peterson of Menomonie, WI, Erin Peterson of Kiester, MN, six great grandchildren: ColtonAnderson,Lane Anderson, Derek Johnson, Brittany Johnson, Cassie Peterson, Cole Peterson, eleven honorary grandchildren and one honorary great granddaughter. He was preceded in death by his parents, his wife, one son Barry, one brother Milt and one great-grandson Christopher Anderson.