On the one hand, the Official Star Wars Fact File 90 states that Padmé came from a small mountain village, and that her father Ruwee Naberrie was a builder (and Queen Amidala's Journal states that his mother Winama Naberrie was a weaver). When Ruwee's wife Jobal gives life to two daughters, the couple reconsiders its future with two other mouths to feed. Years later, Padmé receives impressive scores to an aptitude test, and her family decides to go to Theed, hoping to offer Padmé and her sister a chance at higher education and a richer life. Here the Naberries are presented as a poor family of workers.
On the other hand, the Darth Plagueis novel shows that the luxurious Varykino villa, along with other lands in the Lake Country, had been the family's retreat at least since Ruwee was a teenager (and the noble House Palpatine's neighbour). The family is identified as the noble House Naberrie, and in Fact File 105, Padmé's sister and her husband decide their children will keep Naberrie as their surname because of the power and respect the name holds among the citizens of Theed. Finally, Star Wars Galaxies presents Varykino as:
Lake Retreat of the Naberrie family, one of the most honored families in Naboo history. Queen Padmé Amidala was a Naberrie, along with several former Senators and many high officials.
Here it appears that the Naberries are a rich, old and influential noble family.
How can this discrepancy be explained?