The Hallers were one of Nuremberg's largest and most influential patrician families (c. 15th - 16th centuries). For the Haller coat of arms see von Hefner and Seyler 1971, 38, pl. 36.
Wilhelm Haller (d. 1534) was acquainted with Albert Dürer and, as the son-in-law of Matthäus Landauer, appears in Dürer's All Saints altarpiece of 1511 (Kunsthistorisches Museum, Vienna). Wilhelm wed Dorothea Landauer in 1497; it was his second marriage. See Anzelewsky 1971, 142, 228, no. 118, pl. 141, and Waller 1966, 556.
Hieronymus II Haller (d. 1519) was a Nuremberg Humanist who commissioned paintings from Lucas Cranach the Elder and Bernhard Strigel; see report in curatorial file by Sally E. Mansfield. Hieronymus married Catharina Wolf von Wolfstal in 1491.
Waller, Ernst. "Haller v. Hallerstein," Neue Deutsche Biographie. 17 (1966): 556.
Anzelewsky, Fedja. Albrecht Dürer Das malerische Werk. Berlin, 1971: 142.
Hefner, Otto Titan von and Gustav Adelbert Seyler. Die Wappen des bayerischen Adels. J. Siebmacher's grosses Wappenbuch. 34 vols. Neustadt an der Aisch, 1971: 22:38, pl. 36.