We look like our grandparents. A friend of mine just told me today that the genes that does not appear on the first generation, they appear on the second one. More precisely is like if my mother has green eyes and I did not get that from her, my kids have great chances to own them. I can see GOD's wisdom in this as generations will be connected to their origins and never drift apart.
And sometimes , we feel the connection between us and them. When we act , behave or practice some kind of rituals or love the same thing or even when we stick to the same principles. And in another form , as other people portray us as them and their names and images and inspiration glow even if they are dead, but they are immortal as part of them lives within us. Life cycle makes us eternal somehow , by body, existence and tales