kin
a person having kinship with another or others
sibling
a person's brother or sister
EXAMPLE SENTENCE:
He began looking after his younger
siblings at the age of four while his mother worked multiple jobs to make ends meet.
—
Washington Post (Jan 18, 2012)
ancestor
someone from whom you are descended (but usually more remote than a grandparent)
EXAMPLE SENTENCE:
His father was the surviving representative of an honored line of English
ancestors .
—
Various
matriarch
a female head of a family or tribe
patriarch
the male head of family or tribe
EXAMPLE SENTENCE:
He was widely regarded as a lovable
patriarch , for instance, at a time when he had left his large family behind.
—
New York Times (Nov 2, 2011)
familial
relating to or having the characteristics of a family
filial
designating the generation or the sequence of generations following the parental generation
EXAMPLE SENTENCE:
No virtue in Korea is esteemed more than
filial devotion.
—
Vay, P?ter
genealogy
the study or investigation of ancestry and family history
spouse
a person's partner in marriage
EXAMPLE SENTENCE:
Japanese working mums do four hours of child care and housework each day—eight times as much as their
spouses .
—
Economist (Nov 2, 2011)
maternal
characteristic of a mother
EXAMPLE SENTENCE:
Maternal mortality rates are also high, with 85 women dying in childbirth for every 100,000 live births, Tidey said.
—
Reuters (Nov 1, 2011)