District Judge Lester H. Loble has granted Opal L. Bjoin a divorce from Holten H. Bjoin on grounds of mental suffering. The couple married Sept. 11, 1936. in Glasgow and has six children, four o£ them minors. Custody of the children and $100 per month for their support and an additional $40 per month for the education of the youngest child, beginning June 25, 1963, were granted -the plaintiff mother.