Over time the people who live together will change. New family members are born. A family grows through marriage or adoption. Household residents grow up and move out, separate, divorce or die. Relatives may include more distant family. The distance may be physical—family from different cities or even far away countries. Or, "distant relatives" can refer to relatives with more "steps" between the people. So instead of a first step or degree of relationship such as a child-parent, spouse or sibling (brother or sister), a step farther is a grandparent, grandchild, cousin, aunt, uncle, parent or sibling of a spouse. And still a step farther would be a relations like a sibling of grandparent or spouse of a sister-in-law.