I'd like to suggest another way of viewing the family unit and the Father, Mother, Child pyramid you refer to. This is how I see it. (Not attempting to correct, just to share.)

First, there is the Creator, God the Father.

Next, there are the man and the woman. This is God's own nature, but divided into two distinct beings: a male and a female.

Both are an expression of God's inherent unique nature. God, as the Father, has both a masculine nature and feminine nature. (This is evidenced by the Creation in which the male DNA contains both the male chromosome (Y) and the female chromosome (X), whereas the female DNA contains only the female chromosome (XX). Thus, to be male, as the Father is, is to carry the potential for producing either male or female offspring.)

When the man and woman come together, and their two seeds come together, it represents the divided manifestation of the Father coming together. Thus, their union symbolizes the unity of God's nature, and a new life is created.

The child, who has chromosomes (and nature) from both the father and the mother, is a substantial creation that embodies that original unity of God.

Thus, every family is inherently a manifestation of God's nature of which God is a part: You have four elements here: God, the Father (the origin), the father and the mother (parents) and the child (or children).

So it's not really a pyramid, but is in fact a diamond shaped structure: One single point or origin: God; then two distinct points where God's nature is manifest - the husband and wife; then the reunion of those two distinct points in a new united point: the child.

I use this framework and taught it to my children, because I think all people need to learn to come to see that in ANY family, God is inherently there. Even with a child born in sin, God's presence cannot be shut out.

The family is thus the institution where God is directly present in human life, and is the foundation of all of God's purpose for humanity.

This is why the attack on the family is not just an attack on the family. It is an attack on the fundamental unit by which God manifests his nature and his love into human society. IMO.

Cheers.