stepchild [stepchildren](the child of one's spouse from his or her previous partner) noun [UK: ˈstep.tʃaɪld] [US: ˈstep.ˌtʃaɪld]John was Mary's stepchild. = John era el hijastro de Mary.
stepson [stepsons](son of one's spouse and not of oneself) noun [UK: ˈstep.sʌn] [US: ˈstep.ˌsən]John is Mary's stepson. = John es el hijastro de Mary.