R9-P56, was Nekk Skywalker's trusty astromech droid.
R9, was trustworthy, but sometimes, sneaky droid, often hiding some data from Nekk. (R9 units, often hide data from their owners.)
R9, was made on Raxus Prime, in 66 ABY, where she first saw her creator, Nekk Skywalker. They have been the best of friends, ever since.