Their children decide to find their biological father.

VOA: special.2011.02.21

The household structure of a Roman household was this-- and I say "household," because our word "family," which we usually take to mean the biological family: the father, the mother, the children, maybe the grandchildren, maybe the extended family.

罗马人的家户结构是。。。,我用“家户“是因为“家庭“,通常是指有血缘关系的亲人：,父亲，母亲，孩子，可能还有孙辈，大家庭。

耶鲁公开课 - 新约课程节选