Bro x sis inbred, both born from separate litters. Heavy inbred /line bred lonzo/ gr ch spike/ ch Kango blood. almost every successful dog in the program is doubled, tripped ,quadrupled or more in this ped. These dogs were a result of putting best to best of my line and are genetically diverse enough for this breeding. It is sure to produce top quality animals same as it has for almost 17 years. If u know about this close kept family, ya know, if u dont. Best learn!