Going to see Star Wars: Rogue One this weekend?

Here are 13 important things you gotta know about Jyn, Galen, and Lyra Erso!

ThisStar Wars: Rogue Onearticle contains spoilers.

They arent quite the Skywalkers, but the Erso family will be the center of this years bigStar Warsstory.

But at the beginning, hes proud not to be loyal to anyone at all.

He ends up caught between the Republic and the Separatists, but refuses to pick sides.

When a chieftain asks him, Science doesnt take sides, is that it?

Youre better off going about your business without aligning yourselves with either side.

Krennic refers to Galen as a conscientious objector.

Galen did not willingly join the Empire, either.

Orson, who would later join the Empire, helped guide him through the social aspect of their world.

Krennic describes Galen as a theoretician, mathematician, engineer, and theoretical physicist.

InCatalyst, his main drive is to create clean energy.

Reeve Demesne, a Mirialan, was one of Galens contemporaries.

Ultimately, these scientists end up caught up in Krennics plan, subject to the machinations of the Empire.

… when only the Force was perfect.

Although Lyra is not Force sensitive herself, she exercises at the public gardens in the Jedi Temple.

Galen and Lyra Met on an Expedition on Espinar

Galen and Lyras lives were rarely boring.

They first met on an expedition that Lyra was guiding.

Galen did some research on crystals that were similar to kybers but without the unique properties.

Meanwhile, the two started a relationship.

She was suspicious of the changes she saw in both the Republic and in Galen himself.

Lyra took matters into her own hands and recruited an old friend, wilderness guide Nari Sable.

On a planet called Lahmu, a very young Jyn asks whether Saw could stay with the Ersos.

That might come into play inRogue One.

Megan Crouse is a staff writer.