child(herbert, hazel, ethel,female).
child(herbert,catherine,george,male).
child(lewis_sr,ethel,charles, male).
child(charles,aggie,jeannie, female).
child(charles,aggie,lewis, male).
child(lewis,sharon,eric,male).
child(lewis,sharon,doug,male).
child(lewis,sharon,brad,male).
child(walt,jeannie,lisa,female).
child(walt,jeannie,lori,female).
child(erik,lisa,bobo,male).
child(samuel,elizabeth,ellie,female).
child(samuel,elizabeth,fran,male).
child(samuel,elizabeth,marion,female).
child(george,ellie,walt,male).
child(george,ellie,rich,male).
child(george,ellie,gary,male).
child(fran,teddy,debbie,female).
child(fran,teddy,cindy,female).
child(fran,teddy,penny,female).
child(bill,debbie,jackie,female).
child(bill,debbie,johnny,male).
child(frank,marion,nancy,female).
child(joe,nancy,chrissy,female).
child(joe,nancy,billy,male).
hairless(samuel).