Ill. Admin. Code tit. 95, § 111.110
a) Husband or Wife making application must prove:
b) Child or Children making application must prove:
c) Mother, Father making application must prove:
d) Person Standing in Loco Parentis must prove:
That he or she stood in relation of parent toward the person rendering service and comply with (c)(1) through (5), of this Section, Mother, Father.
e) Brothers or Sisters must prove:
The beneficiary making application for payment of compensation shall furnish the following proof: