Died: 8 July 2004
Allen is listed in the 4th edition of the Friedrich Seidemann Family Tree Book on page xi under Donor Memorials, on page 29 when Allen and his wife Nathalie donated the grave site memorial honoring Friedrich and Rosine Seidemann, and on page 118 where he is listed with his parents, wife, children, grandchildren, and his great grandchildren. Allen is a fifth generation descendant of Friedrich and Rosine Seidemann and his genealogy line is as follows: Friedrich, Traugott, Frederick, Anna, and Allen.