Sorry but Steve Harley wasn't in this group, nor was he in XTC.
These were and are the member's of Sailor.
Georg Kajanus: 1973-1979, 1990-1995
lead vocals, 12-string guitars, acoustic guitars, charango, Veracruzana harp, harmonium, synthesisers, "Klockwork machinery"
Henry Marsh: 1973-1999, 2005-present
nickelodeon, accordion, piano, marimbas, synthesised brass and reed, synthesisers, acoustic/electric guitars, computer programming, vocals
Phil Pickett: 1973-present (except Checkpoint)
bass nickelodeon, piano, guitarron, synthesised strings, calliope, xylophone, bass, cruz bass, Hammond organ, mandolin, autoharp, vocals (lead vocals on Dressed for Drowning)
Grant Serpell: 1973-1979, 1990-present
drums, percussion, vocals
Gavin David: 1980 vocals
Virginia David: 1980 lead and backing vocals
Peter Lincoln: 1996-present
12-string and 6-string acoustic guitars, electric guitar, charango, lead vocals
Anthony England: 1999-2001
Rob Alderton: 2001-2005