Of his now 91-year-old mom Kay‘s possible encounter with Charles, McConaughey—who was born Nov. 4, 1968—said there could be “receipts and places out in West Texas where there might have been a gathering, or a meeting, or a ‘knew’ moment.”

Yet he and Harrelson, 61, have never taken DNA tests to confirm one way or another, the Oscar winner noting that, at this point, “I got a little more skin in the game.”

But while that mystery percolates, there are lots of celebrities who are definitely related, so scroll on to see the results of all of our true detective work:

Of his now 91-year-old mom Kay‘s possible encounter with Charles, McConaughey—who was born Nov. 4, 1968—said there could be “receipts and places out in West Texas where there might have been a gathering, or a meeting, or a ‘knew’ moment.”

Yet he and Harrelson, 61, have never taken DNA tests to confirm one way or another, the Oscar winner noting that, at this point, “I got a little more skin in the game.”

But while that mystery percolates, there are lots of celebrities who are definitely related, so scroll on to see the results of all of our true detective work: