Remains found beneath the altar of a Dutch church are expected to be those of Count D'Artagnan.

https://www.bbc.com/news/articles/cm2rew2dgzzo

'"He was buried on sacred ground below where the altar was; we found the bullet that put an end to his life and we found a coin from 1660 in his grave, and it was from the bishop who attended Mass for the Roi Soleil."'