[{"n": "Nuclear family", "u": "/e/family-and-relationships/nuclear-family/", "s": "Family group of two parents and their children."}, {"n": "Old age", "u": "/e/family-and-relationships/old-age/", "s": "Old age is a culturally and historically variable life stage."}, {"n": "Only child", "u": "/e/family-and-relationships/only-child/", "s": "A person with no siblings, studied for stereotypes and developmental outcomes."}, {"n": "Orphan", "u": "/e/family-and-relationships/orphan/", "s": "A child deprived of one or both parents by death or abandonment."}, {"n": "Parent-in-law", "u": "/e/family-and-relationships/parent-in-law/", "s": "Parent of a person's spouse; key in-law relationship."}, {"n": "Parenting", "u": "/e/family-and-relationships/parenting/", "s": "Parenting supports child development from infancy to adulthood."}, {"n": "Patrilineality", "u": "/e/family-and-relationships/patrilineality/", "s": "Kinship system tracing descent and inheritance through the father's lineage."}, {"n": "Pet", "u": "/e/family-and-relationships/pet/", "s": "Animals kept for companionship, not work or food."}, {"n": "Sibling-in-law", "u": "/e/family-and-relationships/sibling-in-law/", "s": "A relative by marriage through a sibling or spouse."}, {"n": "Single parent", "u": "/e/family-and-relationships/single-parent/", "s": "A parent raising children without a spouse or live-in partner."}, {"n": "Social connection", "u": "/e/family-and-relationships/social-connection/", "s": "Social connection is a fundamental human need and drive."}, {"n": "Spouse", "u": "/e/family-and-relationships/spouse/", "s": "A spouse is a partner in marriage, with varied legal rights."}, {"n": "Stepchild", "u": "/e/family-and-relationships/stepchild/", "s": "A child of one's spouse from a prior relationship or adoption."}, {"n": "Stepfamily", "u": "/e/family-and-relationships/stepfamily/", "s": "A family formed when at least one parent has non-biological children."}, {"n": "Stepfather", "u": "/e/family-and-relationships/stepfather/", "s": "Biologically unrelated male parent married to one's preexisting parent."}, {"n": "Stepmother", "u": "/e/family-and-relationships/stepmother/", "s": "Female non-biological parent married to a preexisting parent."}, {"n": "Stepsibling", "u": "/e/family-and-relationships/stepsibling/", "s": "Non-blood siblings connected through parental marriage."}, {"n": "Stranger", "u": "/e/family-and-relationships/stranger/", "s": "A person unknown to another, often perceived as a potential threat."}, {"n": "Twin", "u": "/e/family-and-relationships/twin/", "s": "Twins are two offspring from one pregnancy, identical or fraternal."}, {"n": "Wedding", "u": "/e/family-and-relationships/wedding/", "s": "A ceremony uniting two people in marriage, with diverse global traditions."}]