Related Clues:

• One in the family
• Cognate
• Adolescent nickname
• Lisa Simpson, to Bart
• Household nickname
• Sibling, in brief
• Cheer starter
• Household name
• Bro, for one
• Spanish ayes
• Foreign agreements
• Marcia, to Greg
• Bro or sis
• A sib
• Serena, to Venus