- Shares the same name with his nephew, Juan Fernández de Tovar, Almiral of Castile, son of the great admiral, Fernán Sáncez de Tovar.
- Brother of Fernán Sánchez de Tovar, who had welcomed Enrique Count of Trastámara to Calahorra, when he marched into Castile.
- Unable to punish Fernán Sánchez, Pedro of Castile takes revenge on his brother Juan Fernández de Tovar having him executed on Palm Saturday, 1366. [Pedro, ch. 36: 41-44]
Joham Fernandez de Toar