⁹ But Onan knew that the ·children [^Lseed] would not belong to him, so when he ·was supposed to have sexual relations with [^Lhe went to] Tamar he ·did not complete the sex act [^Lspilled his seed on the ground], ·making it impossible for Tamar to become pregnant and for Er to have descendants [^Lso that he did not give a descendant/seed to his brother].