Martin, Ragnheidur "Dia", of St. Peters, Missouri, died on Friday, August 24, 2012 at the age of 89. She was born in Saudarkrokur, Iceland on April 14, 1923; she immigrated to America in March of 1946, to marry Robert Martin. Loving wife of the late Robert F. Martin; beloved daughter of the late Jon Bjornsson and Geirlaug Johannesdottier; devoted mother of Brenda Hollrah, John C. (Donna) Martin, Stephen R. (Judith) Martin, Mark D. (Norma Jean) Martin and Paul N. (Debbie) Martin; cherished grandmother of Scott (Robin), Michael, Todd (Jennifer), Matt (Kristina), Jon (Danielle), Katie (Carlie), Stephanie (Ryan), Zachery, Luke, Abigail, Ariella (Daniel), Anna, Julia, Dave, Joshua and Joseph; treasured great-grandmother of Vera Jane, Xavier, Cyrus, Lillith, Elizabeth, Allison, Jeremy, Stefany, Genoa and Evangeline; dear sister of Lina Jonsdottir and Gilli Jonsson. She is preceded in death by her siblings; Stefan Jonsson, Johanna Jonsdottir, Thorbjorg Jonsdottir, Sigurgeir Jonsson, Bjorn Jonsson, Gyda Jonsdottir and Johannes Geir Jonsson; her son-in-law, Dennis R. Hollrah; and granddaughter, Calen H. Johnson. She worked as the office manager for West Clay Dental, retiring after 23 years. She was a member of Zion Lutheran Church, Bethel Bible Ministry, Acts Bible Study Group, and Stephen's Ministries. Dia was a den mother for her sons Cub Scout Pack and a mother of 4 Eagle Scouts. She also volunteered at Emmaus Homes, teaching knitting. In lieu of flowers, memorials may be made to Zion Lutheran Church or SSM Hospice.