Who knows one hundred fifty-six?
Please cite/link your sources, if possible. At some point at least twenty-four hours from now, I will:
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Terach as 156 when Yishmael was born.
[Terach was 70 when he begat Avraham.
Avraham was 86 when he begat Yishmael.]
The Gematria of "Yosef" is 156 (also noted by Gershon Gold). Accordingly, in the book Kol HaTor on the Redemption, by Rabbi Hillel Rivlin of Shklov, a disciple of the Vilna Gaon, there are 156 teachings about Mashiach ben Yosef.