KJV - That the slayer that killeth any person unawares and unwittingly may flee thither: and they shall be your refuge from the avenger of blood.
ASV - that the manslayer that killeth any person unwittingly `and' unawares may flee thither: and they shall be unto you for a refuge from the avenger of blood.
BBE - So that any man who in error and without design has taken the life of another, may go in flight to them: and they will be safe places for you from him who has the right of punishment for blood.
WEB - that the manslayer who kills any person unwittingly [and] unawares may flee there: and they shall be to you for a refuge from the avenger of blood.
YLT - for the fleeing thither of a man-slayer smiting life inadvertently, without knowledge; and they have been to you for a refuge from the redeemer of blood.