Willow & Ivy
may not post fast at the moment but I might have a few ideas: (Pretty much all my characters on this site use the force, I just don't tend to write star wars characters well without it)
Kaiburr
: Not actually a droid, but he'd look like one. He's actually a sentient crystal (yes that's a canon species) who was trained by the baran Do sages (Force sensitive group, honestly could have been a different version of jedi. Mostly Kel Dor species, but this one isn't). He's extremely kind so he'd absolutely want to help them if he could. I keep him nearby Alderaan but he does have a small ship he uses to go places. He'd also find them rather interesting.
Walker
This guy is not a good guy. Tends to call himself a doctor (technically he is but that's not the point). He's an alchemist/biologist mainly, and he's a messed up dude who can only use the dark side because of his mental issues. He'd be fascinated by their connection to each other and want to study it, not that that would necessarily occur, but that would be his IC interest. In spite of his considerable knowledge of alchemy, and telepathy, he may not notice their uniqueness with the force bond as fast as someone like Kaiburr or Rocho would. He's not extremely attuned to the force in the same way and uses it more like a science or tool/weapon.
Rocho
Bounty hunter trandoshan/soldier who was trained in the force. Not as good as Kaiburr, but certainly not as bad as Walker. He's not as knowledgable in the force as either of them though. Rocho has a rather high ability to recognize someone through the force, so he might notice the interesting connection the two share. He's not going to go out of his way to aid them though unlike Kaiburr. He might if paid or if they were convincing at asking. But Rocho is used to things not being great for anyone.
Shavara
Also an alchemist, but she's much kinder than Walker is. Less knowledgable but still pretty good. Of the four she's by far the most powerful, and also the
least experienced. She is good with alchemy, and strong in the force, but is still learning how to use it right. She's a telepath like Walker, but has learned that it's rude to many to invade peoples minds so she avoids doing it. She considerable lacks confidence in anything not science or alchemy related. So you can keep that in mind.
NOTE: Depending on if they can sense the force, or how well they can, they might find Walker and Shavara interesting. They are both of a race I made that has a force sensitive organ (every member of the race has the organ, but not every member is actually force sensitive). Those that are force sensitive as a result may seem like they have
two signatures in the force rather than just one.
Also if you have any specific ideas I'm open.