Who delivered Amidala's body back to Naboo?

Question

In Revenge of the Sith, after first being Force-choked by Anakin and then given births to Luke and Leia, Padme Amidala eventually lost her life on Polis Massa. We later, however, see her in the funeral procession on Naboo. The question is, how did she get there?

I mean, whoever delivered her there must have faced a lot of difficult questions, not just from her family but also from both the people and the authorities, since she was the former queen of the planet. Whoever it was, he could not have been just somebody, because it most certainly must not have been an easy task. It most likely was not any of the Jedi, since the world was probably half full of Palpatine's collaborators who would have immediately given them away.

So, who was it? And how was it carried out, in practice?

Answer 1

After her death, Bail Organa (in the Sundered Heart) took the Jedi to their destinations on Tatooine and Dagobah. Presumably this included dropping Padmé's body off at Naboo en route.

“To Naboo, send her body …” Yoda stretched his head high, as though tasting a current in the Force. “Pregnant, she must still appear. Hidden, safe, the children must be kept. Foundation of the new Jedi Order, they will be.”

...

Obi-Wan and Yoda watched the funeral from Bail Organa’s starcruiser. It was as close as they dared come. The Emperor’s attention would surely be fixed on the funeral, and they would not take the risk of being found.

_{^{Revenge of the Sith: Junior Novelisation}}

As far as the circumstances of her death were concerned, it was apparently not Naboobian tradition to ask too many questions. Her family were simply informed that the Jedi murdered her on Coruscant during their attempted coup.

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Further down the canon, the EU novel Dark Lord: The Rise of Darth Vader contains the following info

Holocams at the Temple or in the former Republic Plaza might easily have captured his speeder, and those images could have found their way to Palpatine or his security advisers. Word might have leaked that Bail was the person who had arranged for Padme to be delivered to Naboo for the funeral. If Palpatine had been apprised of that fact, he might begin to wonder if Obi-Wan, having carried Padme from distant Mustafar, had informed Bail about Palpatine’s secret identity, or about the horrors committed on Coruscant by Anakin, renamed Darth Vader by the Sith Lord, whom Obi-Wan had left for dead on the volcanic world.

And then Palpatine might begin to wonder if Padme’s child, or children, had in fact died with her…

This seems to lend weight to the idea that Bail didn't visit her family personally, but perhaps waited in orbit while one of his men went down.