Ariana La Forge was a Human civilian in the 24th century. She was the only daughter of Silva La Forge and Edward M. La Forge, and had one brother, Geordi. (TNG: "Interface")
She once had a pet cat that she trained to jump into her arms on command. In order to train the cat, she walked around for two months with a piece of tuna in her blouse. (TNG: "Force of Nature")