Her father, Luis F. Alvarez, a physician, was involved with the leprosy research begun by the legendary Father Damien.
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Her brother, Walter C. Alvarez, would later distinguish himself as a physician and author.
Fernando Álvarez de Toledo, 3rd Duke of Alba | Mabel Normand | Manuel Álvarez Bravo | Fernando Álvarez de Toledo | Alvarez hypothesis | Walter Alvarez | Leonel Álvarez | Al Alvarez | San Francisco Mabel Joy | Mabel | Walter C. Alvarez | Mario Roberto Álvarez | Mabel Taliaferro | Mabel Scott | Mabel and Fatty Viewing the World's Fair at San Francisco | Julia Alvarez | Isabel Alvarez | Gil Álvarez Carrillo de Albornoz | Elizabeth Álvarez | Zayra Alvarez | Tony Álvarez | Saúl Álvarez | Manuel Alvarez Bravo | Mabel's Strange Predicament | Mabel Robinson | Mabel Mercer | Mabel Gardiner Hubbard | Luis F. Alvarez | Lilí Álvarez | General Mariano Alvarez (GMA) |
Two of Álvarez's children would rise to national prominence: Mabel Alvarez became a well-known artist and oil painter, and Walter C. Alvarez became a noted physician.