Complex sentence: Born to an ethnic Chinese textile merchant and his native wife, Raised in Chinese culture and schools which focused on modernity, by the time he wrote the novel, Kwee Tek Hoay was an active proponent of Buddhist theology.
Split into simpler sentences: Born to an ethnic Chinese textile merchant and his native wife, Kwee had been raised in Chinese culture and schools which focused on modernity. By the time he wrote the novel, Kwee was an active proponent of Buddhist theology.