both the daughters of Lot with child by their father.
19:37 大女儿生了儿子，给他起名叫摩押，就是现今摩押人的始祖。
And the first born bare a son， and called his name Moab: the same is the father of the Moabites unto this day.
19:38 小女儿也生了儿子，给他起名叫便亚米，就是现今亚扪人的始祖。
And the younger， she also bare a son， and called his name Benammi: the same is the father of the children of Ammon unto this day.