This is only a tiny bit of info from the SSDI that may help someday. This looks like THE Joseph. I did not find Myrtle so she may still be alive. RC Name Birth Death Last Residence Last Benefit SSN Issued JOSEPH GRIMMER 12 Oct 1919 Aug 1976 86301 (Prescott, Yavapai, AZ) (none specified) 315-05-6931 Indiana