in the household of Katherine Riley (separated from her husband):
son: Kenneth Riley, age 14, born in Pennsylvania
daughter: Florence Riley, age 11, born in Pennsylvania
daughter: Margaret Riley, age 8, born in Pennsylvania
Katherine was not originally identified as the head of the household, and the children were originally identified as a nephew and nieces. But when a change was made to identify Katherine as the head of the household, the children's relationships were changed to a son and daughters.