Family members: My mother's husband The son of my mother (but not me) The son of my sister-in-law mother – father parents daughter – son children My mother's father _ grandmother, -father, etc My uncle's wife _ great grandmother etc _ sister – brother – siblings / brothers and sisters My mother and my father _ The husband of my daughter My cousin's sister stepmother, etc _ mother-in-law, etc _ wife – husband married couple _ aunt – uncle niece – nephew cousin _ My sister and I have the same mother, but different fathers The husband of my sister half-sister _ only child _ Grandson and granddaughter My daughter's brother I have no brother and no sister My grandmother's father For me she's a daughter, for my brother she's his My mother has a new husband – he is my My cousin's father My father's wife The sister of my nephew Family members: My mother's husband The son of my mother (but not me) father brother The son of my sister-in-law mother – father parents daughter – son children nephew My mother's father _ grandmother, -father, etc grandfather _ My uncle's wife great grandmother etc aunt My mother and my father _ sister – brother – siblings / brothers and sisters _ parents stepmother, etc The husband of my daughter _ mother-in-law, etc _ wife – husband married couple son-in-law My cousin's sister _ aunt – uncle niece – nephew cousin cousin _ My sister and I have the same mother, but different fathers half-sister The husband of my sister brother-in-law half-sister _ only child _ Grandson and granddaughter My daughter's brother grandchildren son I have no brother and no sister only child My grandmother's father great grandfather For me she's a daughter, for my brother she's his sister My mother has a new husband – he is my stepfather My cousin's father uncle My father's wife mother The sister of my nephew niece