Edit: yes, he was the uncle of Tomas Torquemada O.P.. He was no Conciliarist, either.
Further "the Pope could, without doubt, fall into Schism . . . Especially is this true with regard to the divine liturgy, as for example, if he did not wish personally to follow the universal customs and rites of the Church. . . . Thus it is that Innocent states (De Consuetudine) that, it is necessary to obey a Pope in all things as long as he does not himself go against the universal customs of the Church, but should he go against the universal customs of the Church, he need not be followed . . ." - Cardinal Juan de Torqumada O.P; Commentarii in Decretum Gratiani (1519) and Summa de Ecclesia (1489).