It's now generally accepted by the Science Community that Neanderthals interacted and interbred with us (Homo Sapians). But, recent discoveries now have some scientists thinking Denisovans are also in our genetic mix.

https://en.wikipedia.org/wiki/Denisovan#Anatomy

"The first Denisovan individual was identified in 2010 based on mitochondrial DNA (mtDNA) extracted from a juvenile female finger bone from the Siberian Denisova Cave. Nuclear DNA (nDNA) indicates close affinities with Neanderthals."
- Wikipedia

They have found some of their bones as well as carvings and tools they used.

And, a video: https://www.bing.com/videos/search?q...tail&FORM=VIRE

Hunter