Saturn

Saturn is the second biggest planet orbiting the Sun and has the biggest rings of any other planet orbiting Sun.

Moons
Saturn has 62 moons, the biggest ones are Titan, Iapetus, Rhea, Dione, Tethys, Enceladus and Mimas.

Rings
Saturn has the biggest rings possibly from two of Saturn's moons crashing into each other, and the debris started orbiting Saturn and is the rings Saturn has today.