seventy and five. The Law was 430 years "after" this (Exo_12:40. Gal_1:3, Gal_1:17). Abram 100 when Isaac born, and 105 when Isaac recognized as his "seed" (Gen_21:12). This 25 + 5 explains the 400 years of Gen_15:13 and Act_7:6. See note on Gen_15:13.