Related Clues:

• 54-Across' sib
• Relative in this island
• '___-boom-bah!'
• Concurrence in Cancun
• ''Yes, yes,'' in Spain
• Juana's "Positively!"
• One relatively close either way?
• Relative calmness ultimately exists
• Bride's potential maid of honor, briefly
• Lives with son’s relative
• Familial sobriquet
• One of the family taken in by Ellis Island
• Senor's enthusiastic yes
• Venus, to Serena, for short
• 'Yes, yes!,' in Mexico