(child child) child father of the man (father of the manfather of the man)
(child child) child father of the man (father of the manfather of the man)
(child child) child father of the man (father of the manfather of the man)
(child child) child father of the man (father of the man)
(child child) child father of the man (father of the manfather of the man)
(child child) child father of the man (father of the manfather of the man)
(child child) child father of the man (father of the manfather of the man)