Gene Simmons Family JewelsWelcome to the unconventional family life of KISS front man Gene Simmons. Simmons and actress Shannon Tweed have been happily unmarried for twenty years and have two children, Nick and Sophie. Gene Simmons Family Jewels reveals a side of Gene that has remained hidden until now. See the softer side of this metal manic as he balances his rock star life with his role as a dad.