A12. Is [the person's] biological mother alive?

107a. Columns A11 - A12: Parental survival:
Collect information on the parental survival of the people listed on column A1. It should be made clear to the respondent the difference between biological parents and other parents like stepparents and foster parents. The need for the biological parents should be emphasized.

107b. Column A12: Mother

Q: Is [the person's] biological mother alive?

Like in the case of the father above find out from the respondent if the biological mother of each and every person listed in A1 is alive or dead. If the biological mother is still alive write code "1" in the shaded area, if the biological mother is dead or no longer alive write code "2" and finally if it is not known if the biological mother to the person in question is alive write code "3" in the shaded area. The enumerator must probe thoroughly before accepting that it is not known if the mother is alive or not.