التفسير التبليغي
(And [by] the parent and what he begot) (3)
This is a specific reference to Al-Khalil (Abraham), or to Ishmael - peace be upon them both.
(And [by] the parent and what he begot) - There are two interpretations regarding this: The first is Adam and his offspring, and the second interpretation is every parent and every child.
Source: التفسير التبليغي