I will try to make this short(I have things i must go do but will return this afternoon),,,
The subject of who was worshiping who (God the almighty or pagan/false gods) can become an explosive subject. I think the best results can come to light if the scriptures are taken as a foundation on the matter. I keep pointing to Golbekle tepe for this reason. As we know Abraham was separated out and as we know also our religion/faith is spawned by the contact with God and him and the things we are told afterward.
From Abraham backward through his father Terah to Seth then is the set of questions we should ask(if we are discussing only this blood line),,as we know the o.p. states "contact with humans" so this includes (all mankind/every blood line),but as we see we are easily drawn into the specific group,,(Abraham,Issac,Jacob) which is only "one blood-line of the many among mankind",,,
In Joshua chapter 24,,in specific (Joshua 24;2) we are told that Terah (the father of Nachor and Abraham) according to scripture "AND THEY SERVED OTHER GODS". So at some point between Noah,Seth,ect. leaving the arc and "TERAH" they began to "serve other Gods",we would rather say this differently(I would rather believe they were always aligned with God),but in scripture it states that they "served other gods" so there's no other opinion other than they did.(hence Terah from the Golbekle tepe area matched together with Joshua 24;2 is most probably a good indication of the actual Gods Terah was worshiping e.g."the ones at Golbekle Tepe= above 50% probability",,So this matched with the faith we were taught and what is said of Terah in Joshua 24;2 should have us draw the conclusion that at Golbekly Tepe "this is not the manner God chose for us to worship him,but rather the way Terah(and the fathers) were worshiping before Abraham was separated out.
Continuing through Joshua chapter 24 a certain point is raised in (Joshua 24;14-15),,"THE GODS YOUR FATHER SERVED",,,"who's fathers?",,,that is the Hebrew people who are being addressed are the descendents(blood-line) of "Abraham Issac,Jacob",,as they multiplied,were in Egypt,led out,and wandered 40 years,and are about to go into the promised land,that is they are not the lineage of Japeth or Ham nor are they descendents of the other sons Seth fathered ,they are descendents of the direct blood-line from Arpachshad(son of Seth)
Arpachshad - Wikipedia, the free encyclopedia and are the (ONLEY PEOPLE) being addressed in chapter 24 of Joshua. I am saying these things not to "step on any toes,or accuse any of the persons in this blood-line,but rather to point out the fact that in the scriptures(Joshua 24;2-15) that it is written that they served "other gods",to so that the things uncovered at Gobekle Tepe are not confused with a/the correct worship of God,and that they are spoken of in the scripture as "other gods your(the Hebrews) fathers worshiped.