Were all Force wielders born from Force-sensitive parents?

As far as I know there was a lot of such people that were born from not sensitive parents. Since the Jedi Order prohibited any form of attachment (although there were some marriages along its history like

having kids was probably prohibited as well. As far as we know most of the powerful Force-sensitive beings were tracked and trained to be Jedi, so most of the parents of future Jedi weren't Jedi themselves.

But this doesn't necessarily mean that they weren't Force-sensitive. Their Force sensitivity could be too weak, they were found too late to begin training, or were never found. As far as I know, Force-sensitivity is not a binary thing meaning you are or you aren't Force-sensitive. It was more fluid, depending on amount of midi-chlorians you have in your blood.

So to answer your question: There is a history of many Force users that were not born from other known Force users, specifically from Jedi. One example I know about from Star Wars Rebels:

We know his parents were not Jedi and there is no evidence that they were Force-sensitive. There is no evidence telling they weren't neither, although info about them in show suggests they were just a normal, regular couple, so I find it unlikely for them to be Force-sensitive.

In my opinion it is not a genetic trait and a Force-sensitive child can be born from parents who are not Force-sensitive. It may however be that Force-sensitivity has to build up through generations (in the form of midi-chlorians, which amount may be a genetic trait).

A nice question and answer about Force using skills and if it's inheritable is here: Prior to the introduction of midichlorians, was Force adeptness hereditary?