Complex sentence: JT was born in Las Vegas to Ginnie, a former singer, and Duke Mollner, a former dancer, who met one another working at the Dunes during the Rat Pack era of the 1960s, where Duke later became a card dealer.
Split into simpler sentences: JT was born in Las Vegas to Ginnie, a former singer, and Duke Mollner, a former dancer. The two met while working at the Dunes during the Rat Pack era of the 1960s, where Duke later became a card dealer.