- Heidi Allen
- Guto Bebb
- Richard Benyon
- Nick Boles
- Kenneth Clarke
- Jonathan Djanogly
- Sir Michael Fallon.
- George Freeman
- Richard Graham
- Damian Green
- Justine Greening.
- Sir Oliver Heald.
- Jo Johnson.
- Dr Phillip Lee.
- Jeremy Lefroy.
- Sir Oliver Letwin.
- Nicky Morgan.
- Sir Bob Neill.
- Sir Nicholas Soames.
- Ed Vaizey.
- Antoinette Sandbach.
- Anna Soubry.
- John Stevenson.
- Derek Thomas.
- Dr Sarah Wollaston.
Plus Grieve himself.
Please note: some of these Conservative MPs, like the Beaconsfield MP, want a second referendum and no Brexit; others, like Nick Boles, want Brexit, in the form of EEA membership. They unite in opposing no deal.
Four Labour MPs voted with the Government: Ronnie Campbell, Kate Hoey, Dennis Skinner and Graham Stringer.
The amendment was carried by 321 votes to 299.