Possible Clues:

• Spoken going round: 'That's no trumps' - from East
• New-found relation from the other side of the world
• From Japan, perhaps, going to Leyton's club with Al
• Like some old film sleuths
• Eastern {8}
• Eastern - relation (anag)
• So there could be one trail to the East
• Asian relation touring
• Of the E
• Poor relation from the East End?