Montferrat, William de IV
| Birth Name | Montferrat, William de IV 1 |
| Gender | male |
| Age at Death | 70 years |
| Birth date | 1030 (Montferrat, Var, Provence-Alpes-Cote d'Azur, France) |
| Death date | 1100 (Montferrat, Alessandria, Piemonte, Italy,) |
| Birth Name | Montferrat, William de IV 1 |
| Gender | male |
| Age at Death | 70 years |
| Birth date | 1030 (Montferrat, Var, Provence-Alpes-Cote d'Azur, France) |
| Death date | 1100 (Montferrat, Alessandria, Piemonte, Italy,) |
