male(elliot).
female(elsa).

parent(elliot, raymound).
parent(elsa, raymound).
male(raymound).

female(marla).

parent(marla, harley).
parent(raymound, harley).
male(harley).

parent(marla, bill).
parent(raymound, bill).
male(bill).

female(jessica).

parent(jessica, frank).
parent(harley, frank).
male(frank).