| 100% | JONAS | 5 | Surname of the band brothers Kevin, Joe, and Nick |
| 64% | JONAS | 5 | Surname of musical brothers Joe, Kevin, and Nick |
| 58% | XXXXX | 5 | Surname of singers Nick, Joe and Kevin |
| 58% | JONAS | 5 | Surname of singing siblings Joe, Nick and Kevin |
| 51% | JONAS | 5 | Last name of singing brothers Joe, Nick, and Kevin |
| 50% | HARPER | 6 | Surname of the brothers in Two and a Half Men |
| 49% | JOE | 3 | Second brother in the Jonas Brothers band between Kevin and Nick |
| 48% | JONAS | 5 | The ___ Brothers (trio with Nick, Joe and Kevin) |
| 47% | JOE | 3 | Brother of Nick and Kevin Jonas |
| 47% | JONAS | 5 | Surname for pop music's Kevin, Joe, and Nick |
| 47% | JONAS | 5 | Brother Joe, Kevin or Nick of pop |
| 46% | AMES | 4 | Surname of brothers with 38 chart hits in the '40s and '50s |
| 45% | JOE | 3 | ___ Jonas, brother of Nick and Kevin Jonas |
| 45% | NICK | 4 | Kevin, Joe, and ___ (the Jonas Brothers) |
| 45% | JOE | 3 | Brother of Kevin and Nick Jonas |
| 43% | JONAS | 5 | ___ Brothers (Kevin, Joe, and Nick) |
| 42% | JOEJONAS | 8 | Musical brother of Kevin and Nick |
| 42% | JOE | 3 | Singing brother of Kevin and Nick Jonas |
| 42% | JONAS | 5 | Kevin, joe and nick's name |
| 41% | GIBB | 4 | Surname of the brothers in the Bee Gees |
| 41% | ISLEY | 5 | Surname of the "It's Your Thing" brothers |
| 41% | ADAMS | 5 | Surname of the second and sixth US presidents |
| 41% | LEDGER | 6 | Surname of The Dark Knight and Casanova actor |
| 41% | BACON | 5 | The ___ Brothers (band featuring actor Kevin and his sibling) |
| 40% | MARX | 4 | Surname of the stars of 20-, 37- and 53-Across |
| 40% | GIBB | 4 | Surname of the musical siblings Barry, Robin, Maurice, and Andy |
| 40% | PARKER | 6 | Surname of the Sex and the City star known as SJP |
| 40% | WRIGHT | 6 | Surname of inventor brothers Wilbur and Orville |
| 40% | SKARSGARD | 9 | Surname of acting brothers Bill and Alexander |
| 39% | MCDONALD | 8 | Surname of the brothers who founded the world's largest burger chain |