Of Laurel, MD suddenly on Saturday, August 27, 2011. Loving son of Kay Mongeon; brother of Karen (David) Hagbloom; step-son of Albert Mongeon. He is also survived by two uncles, Bruce and Ernest Holroyd and four nephews. Glenn was preceded in death by his father, Albert R. Herzog and his brother, Douglas Lyle Herzog. Friends may visit on Thursday, September 1 from 6 to 9 p.m. at Prince of Peace Lutheran Church, 8304 Old Keene Mill Rd., Springfield, VA 22152, where services will be held on Friday, September 2 at 10:30 a.m. Interment Cedar Hill Cemetery, Suitland, MD. In lieu of flowers, donations may be made in his name to the Arthritis Foundation , Mid-Atlantic Region, 9505 Reisterstown Rd., Suite #1, Owings Mills, MD 21117. Attn: Rebecca Santiago. Any inquiries can be directed to Advent Funeral Services, 703-241-7402.