Mitsuyo Gou
Professor Mitsuyo Gō (Doctor Mary Ann Armstrong) is the human wife of Doctor Kentarō Gō and the mother of the three Gō children. She met La Gour when he escaped Boazania and crash-landed on Earth. She later married Lagour and, as a scientist herself, assisted him in creating Voltes V. She raised her children on her own when her husband left, and continued to care for them until her death. Spoiler She sacrificed herself to help Voltes V when it was under the mercy of a beast fighter. (Source: Wikipedia)