Grand Prix
SummaryStatisticsTeamsPositionsTeam MatesYear by Year
| Name | Henny de Joncy |
| Country |  Netherlands |
| Place of Birth | Sukamanah, Java |
| Date of Birth | 02/06/1898 |
| Date of Death | 01/02/1940 |
| First Race | Grand Prix de Provence 08/03/1925 |
| Last Race | Circuit d’Esterel Plage 02/03/1930 |
| Best Qualifying | 12th – Gran Premio d’Italia 05/09/1926 |
| Best Result | 4th – Circuit de la Riviera 01/04/1928 |
| 5th | 2 Times |
| 8th | 1 Time |
| 12th | 1 Time |
| DNF | 3 Times |
| DNQF | 1 Time |
| DNSF | 1 Time |
| DNA | 4 Times |
| Season | Team | Team Mate | Best Pos | Points | Wins | Poles | Position | Qualifying | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1925 | Jean Gras | Georges Weyling | 5 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 1926 | BNC | Alfred Ducreux | 5 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 |
| Frederick Théllusson | 29 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Gubernatis | 5 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | ||
| Jacques Brosselin | 29 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| 1927 | BNC | Albert Perrot | 22 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Alfred Ducreux | 22 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Antoine Massias | 22 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Belivier | 22 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Chatain | 22 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Gaétan Ducreux | 22 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Gubernatis | 22 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Henri Billiet | 22 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 1928 | BNC | C. Samud | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |
| Carrasco | 4 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | ||
| Henri Billiet | 9 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| Jean-Marc Augier | 9 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| Michel Doré | 9 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| Roulaud | 14 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| 1929 | Amilcar | Fashion Nicaea | 9 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| José Scaron | 9 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| 1930 | Bugatti | Albert de Bondelli | 13 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| Aristide Lumachi | 13 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Georges d’Arnoux | 13 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| László Hartmann | 13 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | ||
| Louis Decaroli | 13 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| René Dreyfus | 13 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| René Lamy | 13 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| Roger Caisson | 13 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Stanislas Czaykowski | 13 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Year | Team | Engine | Races | 1st | 2nd | 3rd | Podiums | Poles | Fastest Laps | Laps | Leading Laps | Points | Avg Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1930 |
 Bugatti |
Bugatti | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.00 |
| 1929 |
Amilcar |
Amilcar | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 67 | 0 | 0 | 0.00 |
| 1928 |
BNC |
SCAP | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 0.00 |
| 1926 |
BNC |
SCAP | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 80 | 0 | 0 | 0.00 |
| 1925 |
Jean Gras Rally |
La Perle Chapuis-Dornier |
2 | 0 | 0 | 0 | 0 | 0 | 0 | 250 | 0 | 0 | 0.00 |
| 1927 |
BNC |
SCAP | 0 | 0 | 0 |