(原始内容存档于2020-11-30). Born in Walnut Creek, California to immigrant parents — his mother Perla De Castro from thePhilippines, and half-Chinese father from China
for learning Hokkien written by a Spanish missionary inthePhilippines. Van der Loon, Piet. The Manila Incunabula and Early Hokkien Studies, Part 1 (PDF)