Tonita Martinez Roybal is a well known San Ildefonso potter, and a contemporary of Maria Martinez. She was the aunt of Santana Roybal who begain assisting Maria in painting her blackware pottery in 1926. "Tonita's early work was painted by her and her first husband, Alferdo. Later pieces, painted by her second husband, Juan Cruz Roybal, are among the finest made" (Batkin, 1987, p. 46). Tonita and her husband Juan are best known for the old black-on-red stlye of pottery decoration.