Moreover , the approach adopted ignores the female influence .
However , except for a few men traceable through biographies and club histories , it can not be proven that those sharing a common surname were sons , siblings , nephews , or cousins .
The approach adopted ignores the female influence .
However , except for a few men traceable through biographies and club histories , it can not be proven that those sharing a common surname were sons , siblings , nephews , or cousins .