孝子 Traditional form: 孝子 Pinyin (reading): xiàozǐ Definitions: filial son Characters: 孝 - filial piety, obedience; mourning 子 - son, child; seed, egg; fruit; small thing Traditional characters: 孝 - filial piety, obedience; mourning 子 - son, child; seed, egg; fruit; small thing