Martin married Sieglinde REITH, daughter of Gerhard REITH and Kriemhilde SCHMALZ, on September 9, 1989.1 (Sieglinde REITH was born on August 11, 1963 2.)
Sources
Email, From Roman Reith: Sieglinde Reith married Martin Mörmann on September 9, 1989.
Email, Information provided by Roman Reith of Germany.