For the purposes of this chapter, the following terms shall have the
meanings indicated:
RELATIVE
A mother, father, son, daughter, brother, sister, husband, wife,
mother-in-law, father-in-law, son-in-law or daughter-in-law.
This policy is not for the purpose of depriving any citizen of an equal
chance for employment with the Borough but is solely intended to eliminate
the potential for preferential treatment of the relatives of governmental
personnel.