Gene Simmons Family Jewels Gene Simmons and Shannon Tweed to wed before 'Jewels' premiere 09/01/2011 Gene Simmons and Shannon Tweed are to marry next month at a Beverly Hills, Calif., hotel after 28 years together, E! News said. Read More RELATED NEWS Gene Simmons announces $2,000-and-up 'The Vault' solo collectionGene Simmons' daughter Sophie Simmons calls out Katey Sagal over affair with dadGene Simmons takes a fall during Kiss concert TAGS: Gene Simmons Shannon Tweed