| DROMIO | Name of twin brothers who are servants to twin masters in Shakespeare's The Comedy of Errors |
| ANTIPHOLUS | Name of twin brothers in William Shakespeare play The Comedy of Errors on whom the twin brothers named Dromio are attendant (10) |
| MENAECHMI | Plautine twin masters, inspiring Comedy of Errors |
| NORRISANDROSS | First names of twin brothers hired by 69-Across to research and write 32-Across |
| SYRACUSE | Home city of Egeon, father of the Antipholus twins in Shakespeare's The Comedy of Errors (1594) |
| ADRIANA | Wife of Antipholus of Ephesus in Shakespeare's The Comedy of Errors |
| ANGELO | Goldsmith in Shakespeare's The Comedy Of Errors (6) |
| ORVILLE | Name one of the Wright brothers who are said to have invented the aeroplane (7) |
| ERRORS | Shakespeare work with the two sets of twin brothers and lots of mistaken identity, The Comedy Of ... |
| EPHESUS | Setting of Shakespeare's The Comedy of Errors |
| SHAFFER | What is the surname of the twin brothers who respectively wrote Sleuth (1970) |
| FARCE | Shakespeare's "The Comedy of Errors," e.g. |
| MCWHIRTER | Surname of twin brothers Norris and Ross, who founded The Guinness Book of Records (9) |
| GUNNAR | One of the twin brothers who make up the group Nelson |
| KAT | __, put-upon wife of Alfie who's just given birth to twin boys in EastEnders (3,4) |
| ROMULUS | One of two twin brothers who, according to legend, founded Rome (7) |
| CALDER | Jim and Finlay, twin brothers who were Scotland rugby union internationals in the 1980s (6) |
| HELENUS | In mythology, Cassandra's twin brother who also had the gift of prophecy (7) |
| MOTH | One of the fairy servants to Titania in Shakespeare's A Midsummer Night's Dream (4) |
| DUO | Pair, or the name of twin towers in Bugis (3) |
