Definition
Natural mother is the mother who gave birth to respondent.
1: Yes, this household member is the natural father/mother of respondent, still alive and is a member of the household.
2: Yes, the non-household member is the natural father/mother of the relevant respondent, still alive but not a member of the respondent's household.
3: Deceased is the natural father/mother of the relevant respondent which has died.
4:Unclear, if the respondent does not know where