Kinship

elder sister younger brother gay fathers brother milk brother twin brother twin sister elder paternal uncle younger paternal uncle pure masculine cousin younger sister Dual kinship system grandson grandaunt kinship relation female first cousin paternal uncle daughter's son second uncle milk kinship paternal grandmother maternal uncle or aunt brother (of a woman) sister (of a man) great-granddaughter sister's husband parent–child relationship soulmate biological parent nephew half-brother Chinese kinship twin lineage kinship surrogate mother grandparent child born out of wedlock legal kinship son second aunt descendant daughter-in-law lineal descendant great-grandson granddaughter stepdaughter adoptive parent great-great-grandchild uncle or aunt