Reference for Yevamot 76:10

יורשי האב אומרים הבן מת ראשון ואחר כך מת האב וב"ח אומר האב מת ראשון ואח"כ מת הבן

and those whose heir he was,<span class="x" onmousemove="('comment',' Brothers, for instance, or other relatives, who had no other heirs but him. ');">¹⁸</span> and that man had against him the claim of his wife's <i>kethubah</i><span class="x" onmousemove="('comment',' V. Glos. ');">¹⁹</span>

Jastrow