It is with heavy hearts and deep sadness that the family of Antonio Arzadon Crisologo, 87, of Sunnyvale, CA announces his peaceful passing on July 9, 2026, at O’Connor Hospital.

Born on June 1, 1939 in Ilocos Sur, Philippines, Antonio was the son of Vicente and Marcelina Crisologo. Antonio had six older siblings: Naning, Noling, Letty, Pacquito, and Ben; and two younger sisters, Emy and Mary. Antonio graduated with a B.S. in Mining Engineering from Mapúa Institute of Technology.

In 1968, Antonio immigrated to the United States and initially lived in St. Louis, Missouri where his sister Mary resided. There, he met his wife Nieves. Antonio and Nieves moved to California where they started their careers in the pharmaceutical industry at ALZA Corporation where Antonio worked as a design engineer for 30 years.

Antonio is survived by his loving wife, Nieves; his children, Marie (Chi) Lejano, Raymond (Dan) Crisologo and Even Adriano (Michael) Plante; three grandchildren: Michael (Jenny), Jennifer (Scott), and Galvin; and great-grandchildren: Sean, Nathan, Isaiah, and Nico. His brother Noling and sister Mary (Shams) Alikhan. And his four-legged great-great grandchildren: Holly, Bella, Annibell, YaYa, Nico, Shilo, Augustine, Oliver, Beady, and Bobby.

You are welcome to celebrate Antonio’s life:

• Viewing and Rosary
• Sunday, July 26, 2026
• 2-6 PM
• Spangler Mortuary
• 174 North Sunnyvale Ave. Sunnyvale, CA 94086
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• Funeral Mass
• Monday, July 27, 2026
• 10 AM
• St. Lawrence the Martyr Catholic Church
• 1971 St. Lawrence Dr. Santa Clara, CA 95051
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• Interment Following
• Gate of Heaven Catholic Cemetery
• 22555 Cristo Rey Dr. Los Altos, CA 94024