The patricians are the rich people in ancient Rome. The had money the highest rights and the nicest clothes. They traced their ancestors back to the founders of Rome. The also ran most of the government before the twelve tables came out. They don't work on farms or in stores they work in the government or just stay home because they don't' have to work because they have money.
We have money All the time
The patricians weren't allowed to marry plebeians before the twelve tables. You had to born a patrician or you were either a slave or a plebeian.