Died: 20 September 1913
Henry is pictured in the 4th edition of the Friedrich Seidemann Family Tree Book on page 33 in 1890 being held in his mother’s arms and on page 34 in 1907 at his grandfather Traugott’s 79th birthday party when he played in the band. On page 56 he is pictured with his parents and siblings and with his wife Mathilda (Fick) Seidemann on their wedding day. He is listed on page vii as the father of Ruby (Seidemann) Pohland who instilled in her the importance of helping the Reunions with her secretarial skills. On page 6 Henry is credited with helping to collect information on family members for future Reunions. On page 114 Henry is listed with his parents, his wife Mathilda, their children, their grandchildren, their great grandchildren and their great, great grandchildren. Henry is a fourth generation descendant of Friedrich and Rosine Seidemann and his genealogy line is as follows: Friedrich, Traugott, Fredrick, and Henry.