Put the elements into the gaps

• An extended family
• A single parent
• An only child
• Foster parents
• An immediate family
• A nuclear family
• Ancestors
• Siblings

[ ]—a family unit with grandparents, aunts and uncles in addition to parents and children.

[ ]—someone who has a child or children but no husband, wife, or partner who lives with them.

[ ]—a child who doesn't have siblings.

[ ]—people who take care of a child without being his legal parents.

[ ]—closest relatives such as parents, children, etc.

[ ]—a family consisting only of parents and children.

[ ]—people related to you who lived a long time ago.

[ ]—brothers and sisters.