I’m assuming you’re talking about Elizabeth Woodville? Her father’s side can only be traced back three generations, so probably no descent of note there due to the lack of records.
As to her mother however, there are a few…
I’m not listing absolutely everyone of note but yeah, she’s not a “commoner” in the true sense of the word as everyone likes to label her
The further back you go, the more you find because of the whole multiplication thing, so I’m putting this under the cut: