According to Anthropologists, ardipithecus ramidus is an example of the earliest known hominins, a group whose members include humans and their ancestors, which Athropologists believe is roughly 4.4 million years old.
According to Science magazine, ardipithecus is not the oldest putative hominin, but it is by far the most complete of the earliest specimens. The most recent find includes most of the skull and teeth, as well as the pelvis, hands, and feet and reveal an "intermediate" form of upright walking, considered a hallmark of hominins. Paleoanthropologist Andrew Hill of Yale University is quoted as saying, "We thought Lucy was the find of the century but, in retrospect, it isn't." There is not yet a consensus on the validity concerning the ability of Ardipithecus to walk upright as some anthropologists are stating there is only circumstantial evidence for upright walking. Debate about Ardipithecus's locomotion and identity evolves but she provides the first hard evidence about the ancient hominins. 
According to Lovejoy, males pair-bonded or married females, showing traditional marriage is as old as 4 "million" years according to so-called evolutionary science. This finding supports the Biblical definition of marriage as being between a man and a women -- "Her children arise and call her blessed; her husband also, and he praises her". 
- Proverbs 31:28