So there are a lot of theories about these two. Some far fetched and others more down to Earth. Some think that there is no connection whatsoever between them. I highly doubt that though, for reasons that will be explained shortly. I have developed my own theory about the connection between these two, and it starts with Natah's mission to gain control of the Tenno.
How does one gain control over another? By force? No, the Orokin tried that and it didn't work. The Tenno resisted and the Orok