Genesis 35:28
And the days of Isaac were an hundred and fourscore years.
Cross-references
Genesis 25:7
Parallel
Genesis 25:7 records Abraham's lifespan using the same formula — both verses mark patriarchal deaths with their age.
Genesis 47:28
Parallel
Genesis 47:28 records Jacob's age (147) the same way — Isaac's 180 years here is the standard Jacob later says he didn't reach.
Genesis 25:8
Parallel
Genesis 25:8 describes Abraham dying 'full of years' — here Isaac's 180 years completes a similarly full life.
Genesis 47:9
Allusion
Genesis 47:9 explicitly references Isaac's days — Jacob tells Pharaoh his 130 years 'have not attained' his fathers' lifespan.
Genesis 50:26
Parallel
Genesis 50:26 records Joseph's death at 110 — continuing the Genesis pattern of noting lifespan, though a generation removed.