DNA guarantee

Is a half-brother, same mother:
“Young Zina”:
9th   NPO Gien  2,796b. 
11th NPO Sens 4,012b. 
Is a half-brother, same father:
“Son Bully”:
7th prov. Rethel 12,840b.
Direct son “Bully Harry”:
1st Nat. Argenton    9,512b. 
5th Nat. Chateauroux 7,503b.