| First Publication | 1868 |
|---|
| Work Title | Le roi d'Yvetot |
|---|---|
| Alternative. Title | Duetto pour deux voix égales |
| Composer | Weckerlin, Jean-Baptiste |
| I-Catalogue NumberI-Cat. No. | IJW 81 |
| Key | G major |
| First Publication. | 1868 |
| Librettist | Pierre-Jean de Béranger (1780-1857) |
| Language | French |
| Dedication | à MM. Lionnet frères |
| Composer Time PeriodComp. Period | Romantic |
| Piece Style | Romantic |
| Instrumentation | 2 equal voices, piano |