Input,Count,Source
Joseph’s age when he entered Pharaoh’s service,30 years,"Genesis 41:46, BSB"
Years of abundance before famine,7 years,"Genesis 41:53–54, BSB"
Years of famine when Joseph invited his family,2 years,"Genesis 45:6, BSB"
"Joseph’s age at family arrival, derived",30 + 7 + 2 = 39,Conventional whole-year age derivation
Jacob’s age at arrival,130 years,"Genesis 47:9, BSB"
"Jacob’s age at Joseph’s birth, derived",130 − 39 = 91,Derived from the preceding counts
Jacob’s total lifespan,147 years,"Genesis 47:28, BSB"
"Jacob’s years after Joseph’s birth, derived",147 − 91 = 56,Derived remainder