Ответ:
- my father’s father — grandfather;
- my sister’s daughter — niece;
- my wife’s mum — mother-in-law;
- my mother’s husband from a remarriage — stepfather;
- my daughter’s son — grandson.
Extra words: nephew, stepmother.
Перевод: дедушка; племянница; тёща или свекровь; отчим; внук.
