He was held in high esteem on account of his acquirements; and, as the brother-in-law of Joseph Ergas, the well-known anti-Shabbethaian, he had great influence over the Jews of Leghorn, urging them to believe in Shabbethai. Even later, in 1667, when Shabbethai's apostasy was rumored, Pinheiro, in common with numerous other adherents of Tzevi, still believed him to do be the messiah.
- Grätz, Gesch. 3d ed., x. 190, 204, 225, 229, 312