Mary Gravenhorst

     Mary Gravenhorst is the daughter of Edward Henry Gravenhorst and Jeanne Campbell. Mary Gravenhorst married Scott Allen Holm, son of Duane Holm and Carol Jeanne Gillenwater, on Saturday, 9 July 1983 at Los Altos Neighborhood, Long Beach, Los Angeles County, California.1
Last Edited=29 Sep 2023


  1. [S15] June (Shaull) Lutz, History of the Op Den Graef / Updegraff Family (Grand Rapids, Michigan; 1433 Elderwood Ct. N.W.: J. S. Lutz, 1988), p. U-84.