My husband's gggrandfather William L. Lundgren b. 1843-44 d.1/10/1887son of Olaf Lundgren ggggrandfather born April 1817 d. 10/23/1875 are buried at Graceland Cemetary in Chicago.Wllliam left a widow Johanna Lundgren (maiden name unknown and Alice A., Lydian L., ralph E and Wm.E. Children.They are not buried in this plot....assume she remarried because one daughter, Cecilia his ggrandmother and her husband Chas. Hillstrom are buried there also with many children. Any relationship you can determine.