For us this life-cycle of the family begins with the marriage of the founding parents, goes on through the different stages of child rearing and the dispersion of the children as they go out into the world 
(this life-cycle of the family; begins; with the marriage of the founding parents) (they; go; out; into the world)
this life-cycle of the family they
begins go
with the marriage of the founding parents
out into the world