David,I am not related but I found this at familysearch.org.
Tennessee Death Records 1914-1955 William Rufus Alexander Date of birth-Oct. 20, 1891 Death-June 24, 1927 Birthplace-Bedford County, TX Farmer Parents-Robert Alexander and Margaret Blankenship-both born Bedford County The Informant's name is J. H. Alexander Burial-Houston Grave Yard Cause of death-peritonitis from ruptured appendix
Margaret Elizabeth Alexander Date of Birth-Oct. 20,1858 Age-96 Death-July 12, 1955 Widowed Place of birth-Bedford County, TN Place of death-Davidson County, TN-Little Sisters of the Poor Father's Name-Robert H. Blankenship Mother's Name-Bisil Frances Damron Informant's Name-Mrs. E. B. Arnold Burial-Whitworth-Houston, Bedford County, TN
Joseph Henry Alexander Date of Birth-Jan. 16, 1882 Date of Death-April 16, 1940 Place of birth-Rutherford, TN Wife's Name-Dora Harris Alexander Father's Name-Robert Hugh Alexander-born Bedford County Mother's Name-Maggie Blankenship-born Bedford County Informant's Name-Mrs. J. H. Alexander Burial-Willow Mt.-Shelbyville Cause of Death-Pulmonary Tuberculosis
Tennessee Marriages W. R. Alexander Frances Tribble Oct. 19, 1919 Bedford County
Henry Alexander Dora Harris Nov. 18, 1911 Rutherford County