| Sons | Grand-sons | |
Ko-ko Fearnought Superb   Fearnought Pugilist Joe x Suzy Pederson |
Am CH Rowzer´s Choice   Am CH Rebel Rowzer x Ko-ko Fearnought Superb |
Am CH Hyde´s MacDuffendorf Am CH Rowzer´s Choice x Alken Bonnie Mabel Am CH Rowzer´s Choice x Alken Bonnie Mabel |