In Depth TopicsParshat Vayeshev The Mistakes of Er and Onan Posted November 8, 2009February 7, 2019 Baila Greenblatt This video is class 3 of 8 in the series Seeds of Mashiach. Seeds of MashiachYehuda’s Descent from his BrothersYehuda’s MarriageThe Mistakes of Er and OnanYehuda’s IntentionsTamar’s IntentionsThe CollateralFortitude of TamarYehuda’s AdmissionSeries Navigation<< Yehuda’s MarriageYehuda’s Intentions >>